Home / 19,146.78-26,424.93-10,763.28

Finding the Fourth Proportional to 19,146.78, 26,424.93 and 10,763.28

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Solution

The fourth proportional to 19,146.78, 26,424.93 and 10,763.28 is: 14,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.78 : 26,424.93 = 10,763.28 : x
  2. Step 2: Convert to fraction form
    19,146.78/26,424.93 = 10,763.28/x
  3. Step 3: Cross multiply
    19,146.78x = 26,424.93 × 10,763.28
  4. Step 4: Simplify right side
    19,146.78x = 284,418,920.57
  5. Step 5: Solve for x
    x = 284,418,920.57/19,146.78
  6. Step 6: Final answer
    x = 14,854.66

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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.