Home / 21,354.26-32,031.18-7,314.12

Finding the Fourth Proportional to 21,354.26, 32,031.18 and 7,314.12

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Solution

The fourth proportional to 21,354.26, 32,031.18 and 7,314.12 is: 10,971.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,354.26 : 32,031.18 = 7,314.12 : x
  2. Step 2: Convert to fraction form
    21,354.26/32,031.18 = 7,314.12/x
  3. Step 3: Cross multiply
    21,354.26x = 32,031.18 × 7,314.12
  4. Step 4: Simplify right side
    21,354.26x = 234,279,894.26
  5. Step 5: Solve for x
    x = 234,279,894.26/21,354.26
  6. Step 6: Final answer
    x = 10,971.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.