Home / 22,005.66-30,369.42-12,574.02

Finding the Fourth Proportional to 22,005.66, 30,369.42 and 12,574.02

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Solution

The fourth proportional to 22,005.66, 30,369.42 and 12,574.02 is: 17,353.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.66 : 30,369.42 = 12,574.02 : x
  2. Step 2: Convert to fraction form
    22,005.66/30,369.42 = 12,574.02/x
  3. Step 3: Cross multiply
    22,005.66x = 30,369.42 × 12,574.02
  4. Step 4: Simplify right side
    22,005.66x = 381,865,694.47
  5. Step 5: Solve for x
    x = 381,865,694.47/22,005.66
  6. Step 6: Final answer
    x = 17,353.07

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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.