Home / 13,711.06-20,565.69-5,810.20

Finding the Fourth Proportional to 13,711.06, 20,565.69 and 5,810.20

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Solution

The fourth proportional to 13,711.06, 20,565.69 and 5,810.20 is: 8,714.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.06 : 20,565.69 = 5,810.20 : x
  2. Step 2: Convert to fraction form
    13,711.06/20,565.69 = 5,810.20/x
  3. Step 3: Cross multiply
    13,711.06x = 20,565.69 × 5,810.20
  4. Step 4: Simplify right side
    13,711.06x = 119,490,772.04
  5. Step 5: Solve for x
    x = 119,490,772.04/13,711.06
  6. Step 6: Final answer
    x = 8,714.92

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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.