Home / 22,627.35-31,225.26-12,555.57

Finding the Fourth Proportional to 22,627.35, 31,225.26 and 12,555.57

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Solution

The fourth proportional to 22,627.35, 31,225.26 and 12,555.57 is: 17,326.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,627.35 : 31,225.26 = 12,555.57 : x
  2. Step 2: Convert to fraction form
    22,627.35/31,225.26 = 12,555.57/x
  3. Step 3: Cross multiply
    22,627.35x = 31,225.26 × 12,555.57
  4. Step 4: Simplify right side
    22,627.35x = 392,050,937.70
  5. Step 5: Solve for x
    x = 392,050,937.70/22,627.35
  6. Step 6: Final answer
    x = 17,326.42

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Double scale
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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.