Home / 23,152.95-31,951.07-12,542.58

Finding the Fourth Proportional to 23,152.95, 31,951.07 and 12,542.58

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Solution

The fourth proportional to 23,152.95, 31,951.07 and 12,542.58 is: 17,308.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,152.95 : 31,951.07 = 12,542.58 : x
  2. Step 2: Convert to fraction form
    23,152.95/31,951.07 = 12,542.58/x
  3. Step 3: Cross multiply
    23,152.95x = 31,951.07 × 12,542.58
  4. Step 4: Simplify right side
    23,152.95x = 400,748,788.85
  5. Step 5: Solve for x
    x = 400,748,788.85/23,152.95
  6. Step 6: Final answer
    x = 17,308.76

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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.