Home / 17,160.32-23,669.03-15,748.57

Finding the Fourth Proportional to 17,160.32, 23,669.03 and 15,748.57

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Solution

The fourth proportional to 17,160.32, 23,669.03 and 15,748.57 is: 21,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,160.32 : 23,669.03 = 15,748.57 : x
  2. Step 2: Convert to fraction form
    17,160.32/23,669.03 = 15,748.57/x
  3. Step 3: Cross multiply
    17,160.32x = 23,669.03 × 15,748.57
  4. Step 4: Simplify right side
    17,160.32x = 372,753,355.99
  5. Step 5: Solve for x
    x = 372,753,355.99/17,160.32
  6. Step 6: Final answer
    x = 21,721.82

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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.