Home / 18,862.72-26,028.77-11,307.65

Finding the Fourth Proportional to 18,862.72, 26,028.77 and 11,307.65

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Solution

The fourth proportional to 18,862.72, 26,028.77 and 11,307.65 is: 15,603.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.72 : 26,028.77 = 11,307.65 : x
  2. Step 2: Convert to fraction form
    18,862.72/26,028.77 = 11,307.65/x
  3. Step 3: Cross multiply
    18,862.72x = 26,028.77 × 11,307.65
  4. Step 4: Simplify right side
    18,862.72x = 294,324,212.62
  5. Step 5: Solve for x
    x = 294,324,212.62/18,862.72
  6. Step 6: Final answer
    x = 15,603.48

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Half scale
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Double scale
Find fourth proportional to 18,863.72, 26,030.15 and 11,308.65
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.