Home / 26,301.60-39,452.40-18,957.60

Finding the Fourth Proportional to 26,301.60, 39,452.40 and 18,957.60

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Solution

The fourth proportional to 26,301.60, 39,452.40 and 18,957.60 is: 28,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,301.60 : 39,452.40 = 18,957.60 : x
  2. Step 2: Convert to fraction form
    26,301.60/39,452.40 = 18,957.60/x
  3. Step 3: Cross multiply
    26,301.60x = 39,452.40 × 18,957.60
  4. Step 4: Simplify right side
    26,301.60x = 747,922,818.24
  5. Step 5: Solve for x
    x = 747,922,818.24/26,301.60
  6. Step 6: Final answer
    x = 28,436.40

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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.