Home / 21,591.46-29,796.15-12,031.44

Finding the Fourth Proportional to 21,591.46, 29,796.15 and 12,031.44

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Solution

The fourth proportional to 21,591.46, 29,796.15 and 12,031.44 is: 16,603.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591.46 : 29,796.15 = 12,031.44 : x
  2. Step 2: Convert to fraction form
    21,591.46/29,796.15 = 12,031.44/x
  3. Step 3: Cross multiply
    21,591.46x = 29,796.15 × 12,031.44
  4. Step 4: Simplify right side
    21,591.46x = 358,490,524.34
  5. Step 5: Solve for x
    x = 358,490,524.34/21,591.46
  6. Step 6: Final answer
    x = 16,603.35

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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.