Home / 22,292.74-30,763.16-12,220.96

Finding the Fourth Proportional to 22,292.74, 30,763.16 and 12,220.96

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Solution

The fourth proportional to 22,292.74, 30,763.16 and 12,220.96 is: 16,864.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,292.74 : 30,763.16 = 12,220.96 : x
  2. Step 2: Convert to fraction form
    22,292.74/30,763.16 = 12,220.96/x
  3. Step 3: Cross multiply
    22,292.74x = 30,763.16 × 12,220.96
  4. Step 4: Simplify right side
    22,292.74x = 375,955,274.22
  5. Step 5: Solve for x
    x = 375,955,274.22/22,292.74
  6. Step 6: Final answer
    x = 16,864.47

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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.