Home / 16,143.01-22,278.05-9,069.45

Finding the Fourth Proportional to 16,143.01, 22,278.05 and 9,069.45

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Solution

The fourth proportional to 16,143.01, 22,278.05 and 9,069.45 is: 12,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,143.01 : 22,278.05 = 9,069.45 : x
  2. Step 2: Convert to fraction form
    16,143.01/22,278.05 = 9,069.45/x
  3. Step 3: Cross multiply
    16,143.01x = 22,278.05 × 9,069.45
  4. Step 4: Simplify right side
    16,143.01x = 202,049,660.57
  5. Step 5: Solve for x
    x = 202,049,660.57/16,143.01
  6. Step 6: Final answer
    x = 12,516.23

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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.