Home / 17,490.53-26,239.14-5,647.47

Finding the Fourth Proportional to 17,490.53, 26,239.14 and 5,647.47

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Solution

The fourth proportional to 17,490.53, 26,239.14 and 5,647.47 is: 8,472.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490.53 : 26,239.14 = 5,647.47 : x
  2. Step 2: Convert to fraction form
    17,490.53/26,239.14 = 5,647.47/x
  3. Step 3: Cross multiply
    17,490.53x = 26,239.14 × 5,647.47
  4. Step 4: Simplify right side
    17,490.53x = 148,184,805.17
  5. Step 5: Solve for x
    x = 148,184,805.17/17,490.53
  6. Step 6: Final answer
    x = 8,472.29

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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.