Home / 22,965.14-31,693.60-12,895.76

Finding the Fourth Proportional to 22,965.14, 31,693.60 and 12,895.76

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Solution

The fourth proportional to 22,965.14, 31,693.60 and 12,895.76 is: 17,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,965.14 : 31,693.60 = 12,895.76 : x
  2. Step 2: Convert to fraction form
    22,965.14/31,693.60 = 12,895.76/x
  3. Step 3: Cross multiply
    22,965.14x = 31,693.60 × 12,895.76
  4. Step 4: Simplify right side
    22,965.14x = 408,713,059.14
  5. Step 5: Solve for x
    x = 408,713,059.14/22,965.14
  6. Step 6: Final answer
    x = 17,797.11

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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.