Home / 18,213.24-25,134.50-10,657.82

Finding the Fourth Proportional to 18,213.24, 25,134.50 and 10,657.82

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Solution

The fourth proportional to 18,213.24, 25,134.50 and 10,657.82 is: 14,707.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.24 : 25,134.50 = 10,657.82 : x
  2. Step 2: Convert to fraction form
    18,213.24/25,134.50 = 10,657.82/x
  3. Step 3: Cross multiply
    18,213.24x = 25,134.50 × 10,657.82
  4. Step 4: Simplify right side
    18,213.24x = 267,878,976.79
  5. Step 5: Solve for x
    x = 267,878,976.79/18,213.24
  6. Step 6: Final answer
    x = 14,707.93

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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.