Home / 26,281.20-39,398.40-9,637.38

Finding the Fourth Proportional to 26,281.20, 39,398.40 and 9,637.38

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Solution

The fourth proportional to 26,281.20, 39,398.40 and 9,637.38 is: 14,447.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,281.20 : 39,398.40 = 9,637.38 : x
  2. Step 2: Convert to fraction form
    26,281.20/39,398.40 = 9,637.38/x
  3. Step 3: Cross multiply
    26,281.20x = 39,398.40 × 9,637.38
  4. Step 4: Simplify right side
    26,281.20x = 379,697,352.19
  5. Step 5: Solve for x
    x = 379,697,352.19/26,281.20
  6. Step 6: Final answer
    x = 14,447.49

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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.