Home / 15,317.52-22,987.80-12,276.24

Finding the Fourth Proportional to 15,317.52, 22,987.80 and 12,276.24

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Solution

The fourth proportional to 15,317.52, 22,987.80 and 12,276.24 is: 18,423.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317.52 : 22,987.80 = 12,276.24 : x
  2. Step 2: Convert to fraction form
    15,317.52/22,987.80 = 12,276.24/x
  3. Step 3: Cross multiply
    15,317.52x = 22,987.80 × 12,276.24
  4. Step 4: Simplify right side
    15,317.52x = 282,203,749.87
  5. Step 5: Solve for x
    x = 282,203,749.87/15,317.52
  6. Step 6: Final answer
    x = 18,423.59

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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.