Home / 43,299.46-64,957.20-13,724.74

Finding the Fourth Proportional to 43,299.46, 64,957.20 and 13,724.74

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Solution

The fourth proportional to 43,299.46, 64,957.20 and 13,724.74 is: 20,589.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,299.46 : 64,957.20 = 13,724.74 : x
  2. Step 2: Convert to fraction form
    43,299.46/64,957.20 = 13,724.74/x
  3. Step 3: Cross multiply
    43,299.46x = 64,957.20 × 13,724.74
  4. Step 4: Simplify right side
    43,299.46x = 891,520,681.13
  5. Step 5: Solve for x
    x = 891,520,681.13/43,299.46
  6. Step 6: Final answer
    x = 20,589.65

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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.