Home / 26,590.08-36,667.20-18,629.76

Finding the Fourth Proportional to 26,590.08, 36,667.20 and 18,629.76

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Solution

The fourth proportional to 26,590.08, 36,667.20 and 18,629.76 is: 25,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,590.08 : 36,667.20 = 18,629.76 : x
  2. Step 2: Convert to fraction form
    26,590.08/36,667.20 = 18,629.76/x
  3. Step 3: Cross multiply
    26,590.08x = 36,667.20 × 18,629.76
  4. Step 4: Simplify right side
    26,590.08x = 683,101,135.87
  5. Step 5: Solve for x
    x = 683,101,135.87/26,590.08
  6. Step 6: Final answer
    x = 25,690.07

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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.