Home / 13,882.35-19,159.16-8,851.17

Finding the Fourth Proportional to 13,882.35, 19,159.16 and 8,851.17

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Solution

The fourth proportional to 13,882.35, 19,159.16 and 8,851.17 is: 12,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.35 : 19,159.16 = 8,851.17 : x
  2. Step 2: Convert to fraction form
    13,882.35/19,159.16 = 8,851.17/x
  3. Step 3: Cross multiply
    13,882.35x = 19,159.16 × 8,851.17
  4. Step 4: Simplify right side
    13,882.35x = 169,580,937.96
  5. Step 5: Solve for x
    x = 169,580,937.96/13,882.35
  6. Step 6: Final answer
    x = 12,215.58

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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.