Home / 22,438.23-30,966.11-12,366.65

Finding the Fourth Proportional to 22,438.23, 30,966.11 and 12,366.65

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Solution

The fourth proportional to 22,438.23, 30,966.11 and 12,366.65 is: 17,066.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,438.23 : 30,966.11 = 12,366.65 : x
  2. Step 2: Convert to fraction form
    22,438.23/30,966.11 = 12,366.65/x
  3. Step 3: Cross multiply
    22,438.23x = 30,966.11 × 12,366.65
  4. Step 4: Simplify right side
    22,438.23x = 382,946,827.57
  5. Step 5: Solve for x
    x = 382,946,827.57/22,438.23
  6. Step 6: Final answer
    x = 17,066.71

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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.