Home / 20,259.46-27,944.40-17,602.30

Finding the Fourth Proportional to 20,259.46, 27,944.40 and 17,602.30

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Solution

The fourth proportional to 20,259.46, 27,944.40 and 17,602.30 is: 24,279.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259.46 : 27,944.40 = 17,602.30 : x
  2. Step 2: Convert to fraction form
    20,259.46/27,944.40 = 17,602.30/x
  3. Step 3: Cross multiply
    20,259.46x = 27,944.40 × 17,602.30
  4. Step 4: Simplify right side
    20,259.46x = 491,885,712.12
  5. Step 5: Solve for x
    x = 491,885,712.12/20,259.46
  6. Step 6: Final answer
    x = 24,279.31

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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.