Home / 19,149.57-26,426.40-10,766.07

Finding the Fourth Proportional to 19,149.57, 26,426.40 and 10,766.07

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Solution

The fourth proportional to 19,149.57, 26,426.40 and 10,766.07 is: 14,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.57 : 26,426.40 = 10,766.07 : x
  2. Step 2: Convert to fraction form
    19,149.57/26,426.40 = 10,766.07/x
  3. Step 3: Cross multiply
    19,149.57x = 26,426.40 × 10,766.07
  4. Step 4: Simplify right side
    19,149.57x = 284,508,472.25
  5. Step 5: Solve for x
    x = 284,508,472.25/19,149.57
  6. Step 6: Final answer
    x = 14,857.17

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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.