Home / 26,270.28-39,385.36-13,132.08

Finding the Fourth Proportional to 26,270.28, 39,385.36 and 13,132.08

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Solution

The fourth proportional to 26,270.28, 39,385.36 and 13,132.08 is: 19,688.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,270.28 : 39,385.36 = 13,132.08 : x
  2. Step 2: Convert to fraction form
    26,270.28/39,385.36 = 13,132.08/x
  3. Step 3: Cross multiply
    26,270.28x = 39,385.36 × 13,132.08
  4. Step 4: Simplify right side
    26,270.28x = 517,211,698.35
  5. Step 5: Solve for x
    x = 517,211,698.35/26,270.28
  6. Step 6: Final answer
    x = 19,688.09

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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.