Home / 37,505.64-56,247.12-12,539.28

Finding the Fourth Proportional to 37,505.64, 56,247.12 and 12,539.28

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Solution

The fourth proportional to 37,505.64, 56,247.12 and 12,539.28 is: 18,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,505.64 : 56,247.12 = 12,539.28 : x
  2. Step 2: Convert to fraction form
    37,505.64/56,247.12 = 12,539.28/x
  3. Step 3: Cross multiply
    37,505.64x = 56,247.12 × 12,539.28
  4. Step 4: Simplify right side
    37,505.64x = 705,298,386.87
  5. Step 5: Solve for x
    x = 705,298,386.87/37,505.64
  6. Step 6: Final answer
    x = 18,805.13

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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.