Home / 26,261.23-36,253.88-20,279.47

Finding the Fourth Proportional to 26,261.23, 36,253.88 and 20,279.47

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Solution

The fourth proportional to 26,261.23, 36,253.88 and 20,279.47 is: 27,996.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,261.23 : 36,253.88 = 20,279.47 : x
  2. Step 2: Convert to fraction form
    26,261.23/36,253.88 = 20,279.47/x
  3. Step 3: Cross multiply
    26,261.23x = 36,253.88 × 20,279.47
  4. Step 4: Simplify right side
    26,261.23x = 735,209,471.84
  5. Step 5: Solve for x
    x = 735,209,471.84/26,261.23
  6. Step 6: Final answer
    x = 27,996.00

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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.