Home / 14,454.05-21,681.08-11,948.45

Finding the Fourth Proportional to 14,454.05, 21,681.08 and 11,948.45

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Solution

The fourth proportional to 14,454.05, 21,681.08 and 11,948.45 is: 17,922.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.05 : 21,681.08 = 11,948.45 : x
  2. Step 2: Convert to fraction form
    14,454.05/21,681.08 = 11,948.45/x
  3. Step 3: Cross multiply
    14,454.05x = 21,681.08 × 11,948.45
  4. Step 4: Simplify right side
    14,454.05x = 259,055,240.58
  5. Step 5: Solve for x
    x = 259,055,240.58/14,454.05
  6. Step 6: Final answer
    x = 17,922.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.