Home / 17,987.93-24,826.56-11,279.30

Finding the Fourth Proportional to 17,987.93, 24,826.56 and 11,279.30

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Solution

The fourth proportional to 17,987.93, 24,826.56 and 11,279.30 is: 15,567.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987.93 : 24,826.56 = 11,279.30 : x
  2. Step 2: Convert to fraction form
    17,987.93/24,826.56 = 11,279.30/x
  3. Step 3: Cross multiply
    17,987.93x = 24,826.56 × 11,279.30
  4. Step 4: Simplify right side
    17,987.93x = 280,026,218.21
  5. Step 5: Solve for x
    x = 280,026,218.21/17,987.93
  6. Step 6: Final answer
    x = 15,567.45

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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.