Home / 15,432.34-23,012.99-15,292

Finding the Fourth Proportional to 15,432.34, 23,012.99 and 15,292

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Solution

The fourth proportional to 15,432.34, 23,012.99 and 15,292 is: 22,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.34 : 23,012.99 = 15,292 : x
  2. Step 2: Convert to fraction form
    15,432.34/23,012.99 = 15,292/x
  3. Step 3: Cross multiply
    15,432.34x = 23,012.99 × 15,292
  4. Step 4: Simplify right side
    15,432.34x = 351,914,643.08
  5. Step 5: Solve for x
    x = 351,914,643.08/15,432.34
  6. Step 6: Final answer
    x = 22,803.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.