Home / 26,040.55-39,061.79-13,386.92

Finding the Fourth Proportional to 26,040.55, 39,061.79 and 13,386.92

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Solution

The fourth proportional to 26,040.55, 39,061.79 and 13,386.92 is: 20,080.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,040.55 : 39,061.79 = 13,386.92 : x
  2. Step 2: Convert to fraction form
    26,040.55/39,061.79 = 13,386.92/x
  3. Step 3: Cross multiply
    26,040.55x = 39,061.79 × 13,386.92
  4. Step 4: Simplify right side
    26,040.55x = 522,916,795.54
  5. Step 5: Solve for x
    x = 522,916,795.54/26,040.55
  6. Step 6: Final answer
    x = 20,080.87

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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.