Home / 26,597.92-39,734.12-19,138.72

Finding the Fourth Proportional to 26,597.92, 39,734.12 and 19,138.72

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Solution

The fourth proportional to 26,597.92, 39,734.12 and 19,138.72 is: 28,590.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,597.92 : 39,734.12 = 19,138.72 : x
  2. Step 2: Convert to fraction form
    26,597.92/39,734.12 = 19,138.72/x
  3. Step 3: Cross multiply
    26,597.92x = 39,734.12 × 19,138.72
  4. Step 4: Simplify right side
    26,597.92x = 760,460,197.13
  5. Step 5: Solve for x
    x = 760,460,197.13/26,597.92
  6. Step 6: Final answer
    x = 28,590.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.