Home / 26,541.48-39,812.40-9,686.52

Finding the Fourth Proportional to 26,541.48, 39,812.40 and 9,686.52

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Solution

The fourth proportional to 26,541.48, 39,812.40 and 9,686.52 is: 14,529.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,541.48 : 39,812.40 = 9,686.52 : x
  2. Step 2: Convert to fraction form
    26,541.48/39,812.40 = 9,686.52/x
  3. Step 3: Cross multiply
    26,541.48x = 39,812.40 × 9,686.52
  4. Step 4: Simplify right side
    26,541.48x = 385,643,608.85
  5. Step 5: Solve for x
    x = 385,643,608.85/26,541.48
  6. Step 6: Final answer
    x = 14,529.85

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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.