Home / 15,276.24-22,881.12-9,415.20

Finding the Fourth Proportional to 15,276.24, 22,881.12 and 9,415.20

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Solution

The fourth proportional to 15,276.24, 22,881.12 and 9,415.20 is: 14,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276.24 : 22,881.12 = 9,415.20 : x
  2. Step 2: Convert to fraction form
    15,276.24/22,881.12 = 9,415.20/x
  3. Step 3: Cross multiply
    15,276.24x = 22,881.12 × 9,415.20
  4. Step 4: Simplify right side
    15,276.24x = 215,430,321.02
  5. Step 5: Solve for x
    x = 215,430,321.02/15,276.24
  6. Step 6: Final answer
    x = 14,102.31

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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.