Home / 14,794.20-20,415.18-8,663.76

Finding the Fourth Proportional to 14,794.20, 20,415.18 and 8,663.76

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Solution

The fourth proportional to 14,794.20, 20,415.18 and 8,663.76 is: 11,955.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,794.20 : 20,415.18 = 8,663.76 : x
  2. Step 2: Convert to fraction form
    14,794.20/20,415.18 = 8,663.76/x
  3. Step 3: Cross multiply
    14,794.20x = 20,415.18 × 8,663.76
  4. Step 4: Simplify right side
    14,794.20x = 176,872,219.88
  5. Step 5: Solve for x
    x = 176,872,219.88/14,794.20
  6. Step 6: Final answer
    x = 11,955.51

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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.