Home / 19,671.18-29,517.56-9,282.66

Finding the Fourth Proportional to 19,671.18, 29,517.56 and 9,282.66

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Solution

The fourth proportional to 19,671.18, 29,517.56 and 9,282.66 is: 13,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.18 : 29,517.56 = 9,282.66 : x
  2. Step 2: Convert to fraction form
    19,671.18/29,517.56 = 9,282.66/x
  3. Step 3: Cross multiply
    19,671.18x = 29,517.56 × 9,282.66
  4. Step 4: Simplify right side
    19,671.18x = 274,001,473.51
  5. Step 5: Solve for x
    x = 274,001,473.51/19,671.18
  6. Step 6: Final answer
    x = 13,929.08

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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.