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Finding the Fourth Proportional to 15,959.16, 22,019.82 and 10,367.16

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Solution

The fourth proportional to 15,959.16, 22,019.82 and 10,367.16 is: 14,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.16 : 22,019.82 = 10,367.16 : x
  2. Step 2: Convert to fraction form
    15,959.16/22,019.82 = 10,367.16/x
  3. Step 3: Cross multiply
    15,959.16x = 22,019.82 × 10,367.16
  4. Step 4: Simplify right side
    15,959.16x = 228,282,997.11
  5. Step 5: Solve for x
    x = 228,282,997.11/15,959.16
  6. Step 6: Final answer
    x = 14,304.20

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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.