Home / 15,186.88-22,780.18-4,798.63

Finding the Fourth Proportional to 15,186.88, 22,780.18 and 4,798.63

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Solution

The fourth proportional to 15,186.88, 22,780.18 and 4,798.63 is: 7,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,186.88 : 22,780.18 = 4,798.63 : x
  2. Step 2: Convert to fraction form
    15,186.88/22,780.18 = 4,798.63/x
  3. Step 3: Cross multiply
    15,186.88x = 22,780.18 × 4,798.63
  4. Step 4: Simplify right side
    15,186.88x = 109,313,655.15
  5. Step 5: Solve for x
    x = 109,313,655.15/15,186.88
  6. Step 6: Final answer
    x = 7,197.90

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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.