Home / 23,581.78-32,542.36-12,826.87

Finding the Fourth Proportional to 23,581.78, 32,542.36 and 12,826.87

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Solution

The fourth proportional to 23,581.78, 32,542.36 and 12,826.87 is: 17,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,581.78 : 32,542.36 = 12,826.87 : x
  2. Step 2: Convert to fraction form
    23,581.78/32,542.36 = 12,826.87/x
  3. Step 3: Cross multiply
    23,581.78x = 32,542.36 × 12,826.87
  4. Step 4: Simplify right side
    23,581.78x = 417,416,394.37
  5. Step 5: Solve for x
    x = 417,416,394.37/23,581.78
  6. Step 6: Final answer
    x = 17,700.80

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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.