Home / 26,475.74-39,718.47-8,707.40

Finding the Fourth Proportional to 26,475.74, 39,718.47 and 8,707.40

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Solution

The fourth proportional to 26,475.74, 39,718.47 and 8,707.40 is: 13,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,475.74 : 39,718.47 = 8,707.40 : x
  2. Step 2: Convert to fraction form
    26,475.74/39,718.47 = 8,707.40/x
  3. Step 3: Cross multiply
    26,475.74x = 39,718.47 × 8,707.40
  4. Step 4: Simplify right side
    26,475.74x = 345,844,605.68
  5. Step 5: Solve for x
    x = 345,844,605.68/26,475.74
  6. Step 6: Final answer
    x = 13,062.70

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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.