Home / 22,031.70-30,403.14-12,599.64

Finding the Fourth Proportional to 22,031.70, 30,403.14 and 12,599.64

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Solution

The fourth proportional to 22,031.70, 30,403.14 and 12,599.64 is: 17,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031.70 : 30,403.14 = 12,599.64 : x
  2. Step 2: Convert to fraction form
    22,031.70/30,403.14 = 12,599.64/x
  3. Step 3: Cross multiply
    22,031.70x = 30,403.14 × 12,599.64
  4. Step 4: Simplify right side
    22,031.70x = 383,068,618.87
  5. Step 5: Solve for x
    x = 383,068,618.87/22,031.70
  6. Step 6: Final answer
    x = 17,387.16

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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.