Home / 24,921.81-34,389.77-20,217.33

Finding the Fourth Proportional to 24,921.81, 34,389.77 and 20,217.33

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Solution

The fourth proportional to 24,921.81, 34,389.77 and 20,217.33 is: 27,898.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,921.81 : 34,389.77 = 20,217.33 : x
  2. Step 2: Convert to fraction form
    24,921.81/34,389.77 = 20,217.33/x
  3. Step 3: Cross multiply
    24,921.81x = 34,389.77 × 20,217.33
  4. Step 4: Simplify right side
    24,921.81x = 695,269,227.63
  5. Step 5: Solve for x
    x = 695,269,227.63/24,921.81
  6. Step 6: Final answer
    x = 27,898.02

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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.