Home / 38,765.27-58,148.12-13,806.29

Finding the Fourth Proportional to 38,765.27, 58,148.12 and 13,806.29

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Solution

The fourth proportional to 38,765.27, 58,148.12 and 13,806.29 is: 20,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765.27 : 58,148.12 = 13,806.29 : x
  2. Step 2: Convert to fraction form
    38,765.27/58,148.12 = 13,806.29/x
  3. Step 3: Cross multiply
    38,765.27x = 58,148.12 × 13,806.29
  4. Step 4: Simplify right side
    38,765.27x = 802,809,551.45
  5. Step 5: Solve for x
    x = 802,809,551.45/38,765.27
  6. Step 6: Final answer
    x = 20,709.51

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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.