Home / 18,614.08-25,688.64-10,657.36

Finding the Fourth Proportional to 18,614.08, 25,688.64 and 10,657.36

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Solution

The fourth proportional to 18,614.08, 25,688.64 and 10,657.36 is: 14,707.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.08 : 25,688.64 = 10,657.36 : x
  2. Step 2: Convert to fraction form
    18,614.08/25,688.64 = 10,657.36/x
  3. Step 3: Cross multiply
    18,614.08x = 25,688.64 × 10,657.36
  4. Step 4: Simplify right side
    18,614.08x = 273,773,084.39
  5. Step 5: Solve for x
    x = 273,773,084.39/18,614.08
  6. Step 6: Final answer
    x = 14,707.85

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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.