Home / 18,785.93-25,925.07-10,288.52

Finding the Fourth Proportional to 18,785.93, 25,925.07 and 10,288.52

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Solution

The fourth proportional to 18,785.93, 25,925.07 and 10,288.52 is: 14,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,785.93 : 25,925.07 = 10,288.52 : x
  2. Step 2: Convert to fraction form
    18,785.93/25,925.07 = 10,288.52/x
  3. Step 3: Cross multiply
    18,785.93x = 25,925.07 × 10,288.52
  4. Step 4: Simplify right side
    18,785.93x = 266,730,601.20
  5. Step 5: Solve for x
    x = 266,730,601.20/18,785.93
  6. Step 6: Final answer
    x = 14,198.42

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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.