Home / 15,188.64-22,781.76-4,800.48

Finding the Fourth Proportional to 15,188.64, 22,781.76 and 4,800.48

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Solution

The fourth proportional to 15,188.64, 22,781.76 and 4,800.48 is: 7,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188.64 : 22,781.76 = 4,800.48 : x
  2. Step 2: Convert to fraction form
    15,188.64/22,781.76 = 4,800.48/x
  3. Step 3: Cross multiply
    15,188.64x = 22,781.76 × 4,800.48
  4. Step 4: Simplify right side
    15,188.64x = 109,363,383.24
  5. Step 5: Solve for x
    x = 109,363,383.24/15,188.64
  6. Step 6: Final answer
    x = 7,200.34

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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.