Home / 16,729.38-23,088.60-9,655.81

Finding the Fourth Proportional to 16,729.38, 23,088.60 and 9,655.81

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Solution

The fourth proportional to 16,729.38, 23,088.60 and 9,655.81 is: 13,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,729.38 : 23,088.60 = 9,655.81 : x
  2. Step 2: Convert to fraction form
    16,729.38/23,088.60 = 9,655.81/x
  3. Step 3: Cross multiply
    16,729.38x = 23,088.60 × 9,655.81
  4. Step 4: Simplify right side
    16,729.38x = 222,939,077.04
  5. Step 5: Solve for x
    x = 222,939,077.04/16,729.38
  6. Step 6: Final answer
    x = 13,326.20

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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.