Home / 37,129.32-55,693.98-12,505.32

Finding the Fourth Proportional to 37,129.32, 55,693.98 and 12,505.32

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Solution

The fourth proportional to 37,129.32, 55,693.98 and 12,505.32 is: 18,757.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,129.32 : 55,693.98 = 12,505.32 : x
  2. Step 2: Convert to fraction form
    37,129.32/55,693.98 = 12,505.32/x
  3. Step 3: Cross multiply
    37,129.32x = 55,693.98 × 12,505.32
  4. Step 4: Simplify right side
    37,129.32x = 696,471,041.97
  5. Step 5: Solve for x
    x = 696,471,041.97/37,129.32
  6. Step 6: Final answer
    x = 18,757.98

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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.