Home / 23,581.97-32,543.64-12,971.61

Finding the Fourth Proportional to 23,581.97, 32,543.64 and 12,971.61

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Solution

The fourth proportional to 23,581.97, 32,543.64 and 12,971.61 is: 17,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,581.97 : 32,543.64 = 12,971.61 : x
  2. Step 2: Convert to fraction form
    23,581.97/32,543.64 = 12,971.61/x
  3. Step 3: Cross multiply
    23,581.97x = 32,543.64 × 12,971.61
  4. Step 4: Simplify right side
    23,581.97x = 422,143,406.06
  5. Step 5: Solve for x
    x = 422,143,406.06/23,581.97
  6. Step 6: Final answer
    x = 17,901.11

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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.