Home / 17,712.24-26,551.08-8,484.72

Finding the Fourth Proportional to 17,712.24, 26,551.08 and 8,484.72

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Solution

The fourth proportional to 17,712.24, 26,551.08 and 8,484.72 is: 12,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,712.24 : 26,551.08 = 8,484.72 : x
  2. Step 2: Convert to fraction form
    17,712.24/26,551.08 = 8,484.72/x
  3. Step 3: Cross multiply
    17,712.24x = 26,551.08 × 8,484.72
  4. Step 4: Simplify right side
    17,712.24x = 225,278,479.50
  5. Step 5: Solve for x
    x = 225,278,479.50/17,712.24
  6. Step 6: Final answer
    x = 12,718.80

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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.