Home / 18,503.34-27,759.56-5,357.04

Finding the Fourth Proportional to 18,503.34, 27,759.56 and 5,357.04

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Solution

The fourth proportional to 18,503.34, 27,759.56 and 5,357.04 is: 8,036.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503.34 : 27,759.56 = 5,357.04 : x
  2. Step 2: Convert to fraction form
    18,503.34/27,759.56 = 5,357.04/x
  3. Step 3: Cross multiply
    18,503.34x = 27,759.56 × 5,357.04
  4. Step 4: Simplify right side
    18,503.34x = 148,709,073.30
  5. Step 5: Solve for x
    x = 148,709,073.30/18,503.34
  6. Step 6: Final answer
    x = 8,036.88

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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.