Home / 16,691.19-23,032.53-9,618.18

Finding the Fourth Proportional to 16,691.19, 23,032.53 and 9,618.18

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Solution

The fourth proportional to 16,691.19, 23,032.53 and 9,618.18 is: 13,272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.19 : 23,032.53 = 9,618.18 : x
  2. Step 2: Convert to fraction form
    16,691.19/23,032.53 = 9,618.18/x
  3. Step 3: Cross multiply
    16,691.19x = 23,032.53 × 9,618.18
  4. Step 4: Simplify right side
    16,691.19x = 221,531,019.40
  5. Step 5: Solve for x
    x = 221,531,019.40/16,691.19
  6. Step 6: Final answer
    x = 13,272.33

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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.