Home / 18,614.39-25,688.84-10,657.82

Finding the Fourth Proportional to 18,614.39, 25,688.84 and 10,657.82

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Solution

The fourth proportional to 18,614.39, 25,688.84 and 10,657.82 is: 14,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.39 : 25,688.84 = 10,657.82 : x
  2. Step 2: Convert to fraction form
    18,614.39/25,688.84 = 10,657.82/x
  3. Step 3: Cross multiply
    18,614.39x = 25,688.84 × 10,657.82
  4. Step 4: Simplify right side
    18,614.39x = 273,786,851.00
  5. Step 5: Solve for x
    x = 273,786,851.00/18,614.39
  6. Step 6: Final answer
    x = 14,708.35

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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.