Home / 21,685.40-32,534.22-6,103.16

Finding the Fourth Proportional to 21,685.40, 32,534.22 and 6,103.16

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Solution

The fourth proportional to 21,685.40, 32,534.22 and 6,103.16 is: 9,156.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,685.40 : 32,534.22 = 6,103.16 : x
  2. Step 2: Convert to fraction form
    21,685.40/32,534.22 = 6,103.16/x
  3. Step 3: Cross multiply
    21,685.40x = 32,534.22 × 6,103.16
  4. Step 4: Simplify right side
    21,685.40x = 198,561,550.14
  5. Step 5: Solve for x
    x = 198,561,550.14/21,685.40
  6. Step 6: Final answer
    x = 9,156.46

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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.