Home / 26,724.78-40,111.92-13,586.58

Finding the Fourth Proportional to 26,724.78, 40,111.92 and 13,586.58

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Solution

The fourth proportional to 26,724.78, 40,111.92 and 13,586.58 is: 20,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,724.78 : 40,111.92 = 13,586.58 : x
  2. Step 2: Convert to fraction form
    26,724.78/40,111.92 = 13,586.58/x
  3. Step 3: Cross multiply
    26,724.78x = 40,111.92 × 13,586.58
  4. Step 4: Simplify right side
    26,724.78x = 544,983,810.03
  5. Step 5: Solve for x
    x = 544,983,810.03/26,724.78
  6. Step 6: Final answer
    x = 20,392.45

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1.5x scale

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.