Home / 17,870.60-26,797.23-5,388.30

Finding the Fourth Proportional to 17,870.60, 26,797.23 and 5,388.30

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Solution

The fourth proportional to 17,870.60, 26,797.23 and 5,388.30 is: 8,079.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870.60 : 26,797.23 = 5,388.30 : x
  2. Step 2: Convert to fraction form
    17,870.60/26,797.23 = 5,388.30/x
  3. Step 3: Cross multiply
    17,870.60x = 26,797.23 × 5,388.30
  4. Step 4: Simplify right side
    17,870.60x = 144,391,514.41
  5. Step 5: Solve for x
    x = 144,391,514.41/17,870.60
  6. Step 6: Final answer
    x = 8,079.83

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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.