Home / 23,581.54-32,542.68-12,970.90

Finding the Fourth Proportional to 23,581.54, 32,542.68 and 12,970.90

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Solution

The fourth proportional to 23,581.54, 32,542.68 and 12,970.90 is: 17,899.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,581.54 : 32,542.68 = 12,970.90 : x
  2. Step 2: Convert to fraction form
    23,581.54/32,542.68 = 12,970.90/x
  3. Step 3: Cross multiply
    23,581.54x = 32,542.68 × 12,970.90
  4. Step 4: Simplify right side
    23,581.54x = 422,107,848.01
  5. Step 5: Solve for x
    x = 422,107,848.01/23,581.54
  6. Step 6: Final answer
    x = 17,899.93

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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.