Home / 18,789.74-25,931.06-10,832.52

Finding the Fourth Proportional to 18,789.74, 25,931.06 and 10,832.52

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Solution

The fourth proportional to 18,789.74, 25,931.06 and 10,832.52 is: 14,949.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789.74 : 25,931.06 = 10,832.52 : x
  2. Step 2: Convert to fraction form
    18,789.74/25,931.06 = 10,832.52/x
  3. Step 3: Cross multiply
    18,789.74x = 25,931.06 × 10,832.52
  4. Step 4: Simplify right side
    18,789.74x = 280,898,726.07
  5. Step 5: Solve for x
    x = 280,898,726.07/18,789.74
  6. Step 6: Final answer
    x = 14,949.58

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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.