Home / 18,572.16-25,630.32-10,188.96

Finding the Fourth Proportional to 18,572.16, 25,630.32 and 10,188.96

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Solution

The fourth proportional to 18,572.16, 25,630.32 and 10,188.96 is: 14,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.16 : 25,630.32 = 10,188.96 : x
  2. Step 2: Convert to fraction form
    18,572.16/25,630.32 = 10,188.96/x
  3. Step 3: Cross multiply
    18,572.16x = 25,630.32 × 10,188.96
  4. Step 4: Simplify right side
    18,572.16x = 261,146,305.27
  5. Step 5: Solve for x
    x = 261,146,305.27/18,572.16
  6. Step 6: Final answer
    x = 14,061.17

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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.