Home / 23,330.40-32,196.14-12,720.11

Finding the Fourth Proportional to 23,330.40, 32,196.14 and 12,720.11

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Solution

The fourth proportional to 23,330.40, 32,196.14 and 12,720.11 is: 17,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,330.40 : 32,196.14 = 12,720.11 : x
  2. Step 2: Convert to fraction form
    23,330.40/32,196.14 = 12,720.11/x
  3. Step 3: Cross multiply
    23,330.40x = 32,196.14 × 12,720.11
  4. Step 4: Simplify right side
    23,330.40x = 409,538,442.38
  5. Step 5: Solve for x
    x = 409,538,442.38/23,330.40
  6. Step 6: Final answer
    x = 17,553.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.