Home / 18,932.55-26,125.85-10,434.65

Finding the Fourth Proportional to 18,932.55, 26,125.85 and 10,434.65

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Solution

The fourth proportional to 18,932.55, 26,125.85 and 10,434.65 is: 14,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.55 : 26,125.85 = 10,434.65 : x
  2. Step 2: Convert to fraction form
    18,932.55/26,125.85 = 10,434.65/x
  3. Step 3: Cross multiply
    18,932.55x = 26,125.85 × 10,434.65
  4. Step 4: Simplify right side
    18,932.55x = 272,614,028.82
  5. Step 5: Solve for x
    x = 272,614,028.82/18,932.55
  6. Step 6: Final answer
    x = 14,399.22

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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.