Home / 15,914.88-23,875.20-7,153.92

Finding the Fourth Proportional to 15,914.88, 23,875.20 and 7,153.92

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Solution

The fourth proportional to 15,914.88, 23,875.20 and 7,153.92 is: 10,732.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914.88 : 23,875.20 = 7,153.92 : x
  2. Step 2: Convert to fraction form
    15,914.88/23,875.20 = 7,153.92/x
  3. Step 3: Cross multiply
    15,914.88x = 23,875.20 × 7,153.92
  4. Step 4: Simplify right side
    15,914.88x = 170,801,270.78
  5. Step 5: Solve for x
    x = 170,801,270.78/15,914.88
  6. Step 6: Final answer
    x = 10,732.17

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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.