Home / 19,382.19-26,745.33-10,885.23

Finding the Fourth Proportional to 19,382.19, 26,745.33 and 10,885.23

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Solution

The fourth proportional to 19,382.19, 26,745.33 and 10,885.23 is: 15,020.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.19 : 26,745.33 = 10,885.23 : x
  2. Step 2: Convert to fraction form
    19,382.19/26,745.33 = 10,885.23/x
  3. Step 3: Cross multiply
    19,382.19x = 26,745.33 × 10,885.23
  4. Step 4: Simplify right side
    19,382.19x = 291,129,068.48
  5. Step 5: Solve for x
    x = 291,129,068.48/19,382.19
  6. Step 6: Final answer
    x = 15,020.44

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Half scale
Find fourth proportional to 38,764.38, 53,490.66 and 21,770.46
Double scale
Find fourth proportional to 19,383.19, 26,746.71 and 10,886.23
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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.