Home / 19,424.78-26,805.35-10,926.75

Finding the Fourth Proportional to 19,424.78, 26,805.35 and 10,926.75

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Solution

The fourth proportional to 19,424.78, 26,805.35 and 10,926.75 is: 15,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424.78 : 26,805.35 = 10,926.75 : x
  2. Step 2: Convert to fraction form
    19,424.78/26,805.35 = 10,926.75/x
  3. Step 3: Cross multiply
    19,424.78x = 26,805.35 × 10,926.75
  4. Step 4: Simplify right side
    19,424.78x = 292,895,358.11
  5. Step 5: Solve for x
    x = 292,895,358.11/19,424.78
  6. Step 6: Final answer
    x = 15,078.44

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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.