Home / 21,882.13-32,822.43-7,090.66

Finding the Fourth Proportional to 21,882.13, 32,822.43 and 7,090.66

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Solution

The fourth proportional to 21,882.13, 32,822.43 and 7,090.66 is: 10,635.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,882.13 : 32,822.43 = 7,090.66 : x
  2. Step 2: Convert to fraction form
    21,882.13/32,822.43 = 7,090.66/x
  3. Step 3: Cross multiply
    21,882.13x = 32,822.43 × 7,090.66
  4. Step 4: Simplify right side
    21,882.13x = 232,732,808.23
  5. Step 5: Solve for x
    x = 232,732,808.23/21,882.13
  6. Step 6: Final answer
    x = 10,635.75

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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.