Home / 15,785.10-23,674.41-4,691.61

Finding the Fourth Proportional to 15,785.10, 23,674.41 and 4,691.61

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Solution

The fourth proportional to 15,785.10, 23,674.41 and 4,691.61 is: 7,036.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,785.10 : 23,674.41 = 4,691.61 : x
  2. Step 2: Convert to fraction form
    15,785.10/23,674.41 = 4,691.61/x
  3. Step 3: Cross multiply
    15,785.10x = 23,674.41 × 4,691.61
  4. Step 4: Simplify right side
    15,785.10x = 111,071,098.70
  5. Step 5: Solve for x
    x = 111,071,098.70/15,785.10
  6. Step 6: Final answer
    x = 7,036.45

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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.