Home / 14,868.66-20,518.29-8,154.12

Finding the Fourth Proportional to 14,868.66, 20,518.29 and 8,154.12

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Solution

The fourth proportional to 14,868.66, 20,518.29 and 8,154.12 is: 11,252.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,868.66 : 20,518.29 = 8,154.12 : x
  2. Step 2: Convert to fraction form
    14,868.66/20,518.29 = 8,154.12/x
  3. Step 3: Cross multiply
    14,868.66x = 20,518.29 × 8,154.12
  4. Step 4: Simplify right side
    14,868.66x = 167,308,598.85
  5. Step 5: Solve for x
    x = 167,308,598.85/14,868.66
  6. Step 6: Final answer
    x = 11,252.43

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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.