Home / 22,347.14-30,835.61-12,913.88

Finding the Fourth Proportional to 22,347.14, 30,835.61 and 12,913.88

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Solution

The fourth proportional to 22,347.14, 30,835.61 and 12,913.88 is: 17,819.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,347.14 : 30,835.61 = 12,913.88 : x
  2. Step 2: Convert to fraction form
    22,347.14/30,835.61 = 12,913.88/x
  3. Step 3: Cross multiply
    22,347.14x = 30,835.61 × 12,913.88
  4. Step 4: Simplify right side
    22,347.14x = 398,207,367.27
  5. Step 5: Solve for x
    x = 398,207,367.27/22,347.14
  6. Step 6: Final answer
    x = 17,819.16

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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.