Home / 22,580.19-31,160.89-12,508.77

Finding the Fourth Proportional to 22,580.19, 31,160.89 and 12,508.77

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Solution

The fourth proportional to 22,580.19, 31,160.89 and 12,508.77 is: 17,262.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,580.19 : 31,160.89 = 12,508.77 : x
  2. Step 2: Convert to fraction form
    22,580.19/31,160.89 = 12,508.77/x
  3. Step 3: Cross multiply
    22,580.19x = 31,160.89 × 12,508.77
  4. Step 4: Simplify right side
    22,580.19x = 389,784,292.85
  5. Step 5: Solve for x
    x = 389,784,292.85/22,580.19
  6. Step 6: Final answer
    x = 17,262.22

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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.