Home / 17,142.87-23,657.55-9,588.87

Finding the Fourth Proportional to 17,142.87, 23,657.55 and 9,588.87

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Solution

The fourth proportional to 17,142.87, 23,657.55 and 9,588.87 is: 13,232.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,142.87 : 23,657.55 = 9,588.87 : x
  2. Step 2: Convert to fraction form
    17,142.87/23,657.55 = 9,588.87/x
  3. Step 3: Cross multiply
    17,142.87x = 23,657.55 × 9,588.87
  4. Step 4: Simplify right side
    17,142.87x = 226,849,171.47
  5. Step 5: Solve for x
    x = 226,849,171.47/17,142.87
  6. Step 6: Final answer
    x = 13,232.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.