Home / 13,432.15-18,536.38-7,463.68

Finding the Fourth Proportional to 13,432.15, 18,536.38 and 7,463.68

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Solution

The fourth proportional to 13,432.15, 18,536.38 and 7,463.68 is: 10,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.15 : 18,536.38 = 7,463.68 : x
  2. Step 2: Convert to fraction form
    13,432.15/18,536.38 = 7,463.68/x
  3. Step 3: Cross multiply
    13,432.15x = 18,536.38 × 7,463.68
  4. Step 4: Simplify right side
    13,432.15x = 138,349,516.00
  5. Step 5: Solve for x
    x = 138,349,516.00/13,432.15
  6. Step 6: Final answer
    x = 10,299.88

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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.