Home / 18,972.38-26,182.29-10,474.47

Finding the Fourth Proportional to 18,972.38, 26,182.29 and 10,474.47

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Solution

The fourth proportional to 18,972.38, 26,182.29 and 10,474.47 is: 14,455.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972.38 : 26,182.29 = 10,474.47 : x
  2. Step 2: Convert to fraction form
    18,972.38/26,182.29 = 10,474.47/x
  3. Step 3: Cross multiply
    18,972.38x = 26,182.29 × 10,474.47
  4. Step 4: Simplify right side
    18,972.38x = 274,245,611.14
  5. Step 5: Solve for x
    x = 274,245,611.14/18,972.38
  6. Step 6: Final answer
    x = 14,455.00

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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.