Home / 26,327.66-36,328.11-15,147.50

Finding the Fourth Proportional to 26,327.66, 36,328.11 and 15,147.50

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Solution

The fourth proportional to 26,327.66, 36,328.11 and 15,147.50 is: 20,901.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,327.66 : 36,328.11 = 15,147.50 : x
  2. Step 2: Convert to fraction form
    26,327.66/36,328.11 = 15,147.50/x
  3. Step 3: Cross multiply
    26,327.66x = 36,328.11 × 15,147.50
  4. Step 4: Simplify right side
    26,327.66x = 550,280,046.23
  5. Step 5: Solve for x
    x = 550,280,046.23/26,327.66
  6. Step 6: Final answer
    x = 20,901.21

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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.