Home / 18,237.52-25,167.90-10,688.32

Finding the Fourth Proportional to 18,237.52, 25,167.90 and 10,688.32

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Solution

The fourth proportional to 18,237.52, 25,167.90 and 10,688.32 is: 14,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.52 : 25,167.90 = 10,688.32 : x
  2. Step 2: Convert to fraction form
    18,237.52/25,167.90 = 10,688.32/x
  3. Step 3: Cross multiply
    18,237.52x = 25,167.90 × 10,688.32
  4. Step 4: Simplify right side
    18,237.52x = 269,002,568.93
  5. Step 5: Solve for x
    x = 269,002,568.93/18,237.52
  6. Step 6: Final answer
    x = 14,749.95

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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.