Home / 15,301.19-22,951.78-5,440.86

Finding the Fourth Proportional to 15,301.19, 22,951.78 and 5,440.86

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Solution

The fourth proportional to 15,301.19, 22,951.78 and 5,440.86 is: 8,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301.19 : 22,951.78 = 5,440.86 : x
  2. Step 2: Convert to fraction form
    15,301.19/22,951.78 = 5,440.86/x
  3. Step 3: Cross multiply
    15,301.19x = 22,951.78 × 5,440.86
  4. Step 4: Simplify right side
    15,301.19x = 124,877,279.77
  5. Step 5: Solve for x
    x = 124,877,279.77/15,301.19
  6. Step 6: Final answer
    x = 8,161.28

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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.