Home / 19,013.40-26,234.28-10,629.90

Finding the Fourth Proportional to 19,013.40, 26,234.28 and 10,629.90

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Solution

The fourth proportional to 19,013.40, 26,234.28 and 10,629.90 is: 14,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.40 : 26,234.28 = 10,629.90 : x
  2. Step 2: Convert to fraction form
    19,013.40/26,234.28 = 10,629.90/x
  3. Step 3: Cross multiply
    19,013.40x = 26,234.28 × 10,629.90
  4. Step 4: Simplify right side
    19,013.40x = 278,867,772.97
  5. Step 5: Solve for x
    x = 278,867,772.97/19,013.40
  6. Step 6: Final answer
    x = 14,666.91

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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.