Home / 26,904.48-40,334.04-12,856.56

Finding the Fourth Proportional to 26,904.48, 40,334.04 and 12,856.56

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Solution

The fourth proportional to 26,904.48, 40,334.04 and 12,856.56 is: 19,274.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,904.48 : 40,334.04 = 12,856.56 : x
  2. Step 2: Convert to fraction form
    26,904.48/40,334.04 = 12,856.56/x
  3. Step 3: Cross multiply
    26,904.48x = 40,334.04 × 12,856.56
  4. Step 4: Simplify right side
    26,904.48x = 518,557,005.30
  5. Step 5: Solve for x
    x = 518,557,005.30/26,904.48
  6. Step 6: Final answer
    x = 19,274.00

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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.