Home / 14,202.25-19,598.29-8,151.21

Finding the Fourth Proportional to 14,202.25, 19,598.29 and 8,151.21

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Solution

The fourth proportional to 14,202.25, 19,598.29 and 8,151.21 is: 11,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202.25 : 19,598.29 = 8,151.21 : x
  2. Step 2: Convert to fraction form
    14,202.25/19,598.29 = 8,151.21/x
  3. Step 3: Cross multiply
    14,202.25x = 19,598.29 × 8,151.21
  4. Step 4: Simplify right side
    14,202.25x = 159,749,777.43
  5. Step 5: Solve for x
    x = 159,749,777.43/14,202.25
  6. Step 6: Final answer
    x = 11,248.20

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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.