Home / 38,776.72-58,176.76-13,813.51

Finding the Fourth Proportional to 38,776.72, 58,176.76 and 13,813.51

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Solution

The fourth proportional to 38,776.72, 58,176.76 and 13,813.51 is: 20,724.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,776.72 : 58,176.76 = 13,813.51 : x
  2. Step 2: Convert to fraction form
    38,776.72/58,176.76 = 13,813.51/x
  3. Step 3: Cross multiply
    38,776.72x = 58,176.76 × 13,813.51
  4. Step 4: Simplify right side
    38,776.72x = 803,625,418.74
  5. Step 5: Solve for x
    x = 803,625,418.74/38,776.72
  6. Step 6: Final answer
    x = 20,724.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.