Home / 37,814.80-56,731.40-11,520.04

Finding the Fourth Proportional to 37,814.80, 56,731.40 and 11,520.04

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Solution

The fourth proportional to 37,814.80, 56,731.40 and 11,520.04 is: 17,282.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,814.80 : 56,731.40 = 11,520.04 : x
  2. Step 2: Convert to fraction form
    37,814.80/56,731.40 = 11,520.04/x
  3. Step 3: Cross multiply
    37,814.80x = 56,731.40 × 11,520.04
  4. Step 4: Simplify right side
    37,814.80x = 653,547,997.26
  5. Step 5: Solve for x
    x = 653,547,997.26/37,814.80
  6. Step 6: Final answer
    x = 17,282.86

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1.5x scale

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.