Home / 26,669.80-39,959.58-11,856.04

Finding the Fourth Proportional to 26,669.80, 39,959.58 and 11,856.04

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Solution

The fourth proportional to 26,669.80, 39,959.58 and 11,856.04 is: 17,764.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,669.80 : 39,959.58 = 11,856.04 : x
  2. Step 2: Convert to fraction form
    26,669.80/39,959.58 = 11,856.04/x
  3. Step 3: Cross multiply
    26,669.80x = 39,959.58 × 11,856.04
  4. Step 4: Simplify right side
    26,669.80x = 473,762,378.86
  5. Step 5: Solve for x
    x = 473,762,378.86/26,669.80
  6. Step 6: Final answer
    x = 17,764.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.