Home / 22,819.68-31,488.05-12,746.84

Finding the Fourth Proportional to 22,819.68, 31,488.05 and 12,746.84

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Solution

The fourth proportional to 22,819.68, 31,488.05 and 12,746.84 is: 17,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,819.68 : 31,488.05 = 12,746.84 : x
  2. Step 2: Convert to fraction form
    22,819.68/31,488.05 = 12,746.84/x
  3. Step 3: Cross multiply
    22,819.68x = 31,488.05 × 12,746.84
  4. Step 4: Simplify right side
    22,819.68x = 401,373,135.26
  5. Step 5: Solve for x
    x = 401,373,135.26/22,819.68
  6. Step 6: Final answer
    x = 17,588.90

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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.