Home / 22,156.12-30,574.47-12,084.36

Finding the Fourth Proportional to 22,156.12, 30,574.47 and 12,084.36

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Solution

The fourth proportional to 22,156.12, 30,574.47 and 12,084.36 is: 16,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,156.12 : 30,574.47 = 12,084.36 : x
  2. Step 2: Convert to fraction form
    22,156.12/30,574.47 = 12,084.36/x
  3. Step 3: Cross multiply
    22,156.12x = 30,574.47 × 12,084.36
  4. Step 4: Simplify right side
    22,156.12x = 369,472,902.29
  5. Step 5: Solve for x
    x = 369,472,902.29/22,156.12
  6. Step 6: Final answer
    x = 16,675.88

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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.