Home / 22,177.40-33,266.10-21,302.60

Finding the Fourth Proportional to 22,177.40, 33,266.10 and 21,302.60

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Solution

The fourth proportional to 22,177.40, 33,266.10 and 21,302.60 is: 31,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177.40 : 33,266.10 = 21,302.60 : x
  2. Step 2: Convert to fraction form
    22,177.40/33,266.10 = 21,302.60/x
  3. Step 3: Cross multiply
    22,177.40x = 33,266.10 × 21,302.60
  4. Step 4: Simplify right side
    22,177.40x = 708,654,421.86
  5. Step 5: Solve for x
    x = 708,654,421.86/22,177.40
  6. Step 6: Final answer
    x = 31,953.90

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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.