Home / 21,742.83-32,613.22-7,702.63

Finding the Fourth Proportional to 21,742.83, 32,613.22 and 7,702.63

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Solution

The fourth proportional to 21,742.83, 32,613.22 and 7,702.63 is: 11,553.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,742.83 : 32,613.22 = 7,702.63 : x
  2. Step 2: Convert to fraction form
    21,742.83/32,613.22 = 7,702.63/x
  3. Step 3: Cross multiply
    21,742.83x = 32,613.22 × 7,702.63
  4. Step 4: Simplify right side
    21,742.83x = 251,207,566.77
  5. Step 5: Solve for x
    x = 251,207,566.77/21,742.83
  6. Step 6: Final answer
    x = 11,553.58

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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.