Home / 25,109.46-34,631.28-16,157.88

Finding the Fourth Proportional to 25,109.46, 34,631.28 and 16,157.88

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Solution

The fourth proportional to 25,109.46, 34,631.28 and 16,157.88 is: 22,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,109.46 : 34,631.28 = 16,157.88 : x
  2. Step 2: Convert to fraction form
    25,109.46/34,631.28 = 16,157.88/x
  3. Step 3: Cross multiply
    25,109.46x = 34,631.28 × 16,157.88
  4. Step 4: Simplify right side
    25,109.46x = 559,568,066.49
  5. Step 5: Solve for x
    x = 559,568,066.49/25,109.46
  6. Step 6: Final answer
    x = 22,285.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.