Home / 22,043.24-30,421.86-12,613.48

Finding the Fourth Proportional to 22,043.24, 30,421.86 and 12,613.48

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Solution

The fourth proportional to 22,043.24, 30,421.86 and 12,613.48 is: 17,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,043.24 : 30,421.86 = 12,613.48 : x
  2. Step 2: Convert to fraction form
    22,043.24/30,421.86 = 12,613.48/x
  3. Step 3: Cross multiply
    22,043.24x = 30,421.86 × 12,613.48
  4. Step 4: Simplify right side
    22,043.24x = 383,725,522.67
  5. Step 5: Solve for x
    x = 383,725,522.67/22,043.24
  6. Step 6: Final answer
    x = 17,407.85

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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.