Home / 38,753.64-58,124.52-12,455.64

Finding the Fourth Proportional to 38,753.64, 58,124.52 and 12,455.64

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Solution

The fourth proportional to 38,753.64, 58,124.52 and 12,455.64 is: 18,681.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,753.64 : 58,124.52 = 12,455.64 : x
  2. Step 2: Convert to fraction form
    38,753.64/58,124.52 = 12,455.64/x
  3. Step 3: Cross multiply
    38,753.64x = 58,124.52 × 12,455.64
  4. Step 4: Simplify right side
    38,753.64x = 723,978,096.29
  5. Step 5: Solve for x
    x = 723,978,096.29/38,753.64
  6. Step 6: Final answer
    x = 18,681.55

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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.