Home / 17,587.13-26,380.70-5,275.13

Finding the Fourth Proportional to 17,587.13, 26,380.70 and 5,275.13

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Solution

The fourth proportional to 17,587.13, 26,380.70 and 5,275.13 is: 7,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,587.13 : 26,380.70 = 5,275.13 : x
  2. Step 2: Convert to fraction form
    17,587.13/26,380.70 = 5,275.13/x
  3. Step 3: Cross multiply
    17,587.13x = 26,380.70 × 5,275.13
  4. Step 4: Simplify right side
    17,587.13x = 139,161,621.99
  5. Step 5: Solve for x
    x = 139,161,621.99/17,587.13
  6. Step 6: Final answer
    x = 7,912.70

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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.