Home / 21,742.07-32,613.11-6,159.70

Finding the Fourth Proportional to 21,742.07, 32,613.11 and 6,159.70

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Solution

The fourth proportional to 21,742.07, 32,613.11 and 6,159.70 is: 9,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,742.07 : 32,613.11 = 6,159.70 : x
  2. Step 2: Convert to fraction form
    21,742.07/32,613.11 = 6,159.70/x
  3. Step 3: Cross multiply
    21,742.07x = 32,613.11 × 6,159.70
  4. Step 4: Simplify right side
    21,742.07x = 200,886,973.67
  5. Step 5: Solve for x
    x = 200,886,973.67/21,742.07
  6. Step 6: Final answer
    x = 9,239.55

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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.