Home / 20,432.88-30,624.64-14,500.48

Finding the Fourth Proportional to 20,432.88, 30,624.64 and 14,500.48

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Solution

The fourth proportional to 20,432.88, 30,624.64 and 14,500.48 is: 21,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,432.88 : 30,624.64 = 14,500.48 : x
  2. Step 2: Convert to fraction form
    20,432.88/30,624.64 = 14,500.48/x
  3. Step 3: Cross multiply
    20,432.88x = 30,624.64 × 14,500.48
  4. Step 4: Simplify right side
    20,432.88x = 444,071,979.83
  5. Step 5: Solve for x
    x = 444,071,979.83/20,432.88
  6. Step 6: Final answer
    x = 21,733.21

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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.