Home / 26,913.50-40,373-10,287.52

Finding the Fourth Proportional to 26,913.50, 40,373 and 10,287.52

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Solution

The fourth proportional to 26,913.50, 40,373 and 10,287.52 is: 15,432.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913.50 : 40,373 = 10,287.52 : x
  2. Step 2: Convert to fraction form
    26,913.50/40,373 = 10,287.52/x
  3. Step 3: Cross multiply
    26,913.50x = 40,373 × 10,287.52
  4. Step 4: Simplify right side
    26,913.50x = 415,338,044.96
  5. Step 5: Solve for x
    x = 415,338,044.96/26,913.50
  6. Step 6: Final answer
    x = 15,432.33

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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.