Home / 26,691.33-40,023.40-8,915.59

Finding the Fourth Proportional to 26,691.33, 40,023.40 and 8,915.59

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Solution

The fourth proportional to 26,691.33, 40,023.40 and 8,915.59 is: 13,368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,691.33 : 40,023.40 = 8,915.59 : x
  2. Step 2: Convert to fraction form
    26,691.33/40,023.40 = 8,915.59/x
  3. Step 3: Cross multiply
    26,691.33x = 40,023.40 × 8,915.59
  4. Step 4: Simplify right side
    26,691.33x = 356,832,224.81
  5. Step 5: Solve for x
    x = 356,832,224.81/26,691.33
  6. Step 6: Final answer
    x = 13,368.84

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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.