Home / 20,434.17-30,635.72-10,567.16

Finding the Fourth Proportional to 20,434.17, 30,635.72 and 10,567.16

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Solution

The fourth proportional to 20,434.17, 30,635.72 and 10,567.16 is: 15,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,434.17 : 30,635.72 = 10,567.16 : x
  2. Step 2: Convert to fraction form
    20,434.17/30,635.72 = 10,567.16/x
  3. Step 3: Cross multiply
    20,434.17x = 30,635.72 × 10,567.16
  4. Step 4: Simplify right side
    20,434.17x = 323,732,503.45
  5. Step 5: Solve for x
    x = 323,732,503.45/20,434.17
  6. Step 6: Final answer
    x = 15,842.70

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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.