Home / 17,987.85-24,830.91-11,277.30

Finding the Fourth Proportional to 17,987.85, 24,830.91 and 11,277.30

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Solution

The fourth proportional to 17,987.85, 24,830.91 and 11,277.30 is: 15,567.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987.85 : 24,830.91 = 11,277.30 : x
  2. Step 2: Convert to fraction form
    17,987.85/24,830.91 = 11,277.30/x
  3. Step 3: Cross multiply
    17,987.85x = 24,830.91 × 11,277.30
  4. Step 4: Simplify right side
    17,987.85x = 280,025,621.34
  5. Step 5: Solve for x
    x = 280,025,621.34/17,987.85
  6. Step 6: Final answer
    x = 15,567.49

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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.