Home / 17,417.20-26,125.80-12,246.16

Finding the Fourth Proportional to 17,417.20, 26,125.80 and 12,246.16

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Solution

The fourth proportional to 17,417.20, 26,125.80 and 12,246.16 is: 18,369.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,417.20 : 26,125.80 = 12,246.16 : x
  2. Step 2: Convert to fraction form
    17,417.20/26,125.80 = 12,246.16/x
  3. Step 3: Cross multiply
    17,417.20x = 26,125.80 × 12,246.16
  4. Step 4: Simplify right side
    17,417.20x = 319,940,726.93
  5. Step 5: Solve for x
    x = 319,940,726.93/17,417.20
  6. Step 6: Final answer
    x = 18,369.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.