Home / 18,152.88-25,044.74-11,342.28

Finding the Fourth Proportional to 18,152.88, 25,044.74 and 11,342.28

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Solution

The fourth proportional to 18,152.88, 25,044.74 and 11,342.28 is: 15,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.88 : 25,044.74 = 11,342.28 : x
  2. Step 2: Convert to fraction form
    18,152.88/25,044.74 = 11,342.28/x
  3. Step 3: Cross multiply
    18,152.88x = 25,044.74 × 11,342.28
  4. Step 4: Simplify right side
    18,152.88x = 284,064,396.90
  5. Step 5: Solve for x
    x = 284,064,396.90/18,152.88
  6. Step 6: Final answer
    x = 15,648.45

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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.