Home / 22,049.16-30,419.16-12,612.66

Finding the Fourth Proportional to 22,049.16, 30,419.16 and 12,612.66

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Solution

The fourth proportional to 22,049.16, 30,419.16 and 12,612.66 is: 17,400.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,049.16 : 30,419.16 = 12,612.66 : x
  2. Step 2: Convert to fraction form
    22,049.16/30,419.16 = 12,612.66/x
  3. Step 3: Cross multiply
    22,049.16x = 30,419.16 × 12,612.66
  4. Step 4: Simplify right side
    22,049.16x = 383,666,522.57
  5. Step 5: Solve for x
    x = 383,666,522.57/22,049.16
  6. Step 6: Final answer
    x = 17,400.51

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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.