Home / 26,723.50-36,878.68-14,787.10

Finding the Fourth Proportional to 26,723.50, 36,878.68 and 14,787.10

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Solution

The fourth proportional to 26,723.50, 36,878.68 and 14,787.10 is: 20,406.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,723.50 : 36,878.68 = 14,787.10 : x
  2. Step 2: Convert to fraction form
    26,723.50/36,878.68 = 14,787.10/x
  3. Step 3: Cross multiply
    26,723.50x = 36,878.68 × 14,787.10
  4. Step 4: Simplify right side
    26,723.50x = 545,328,729.03
  5. Step 5: Solve for x
    x = 545,328,729.03/26,723.50
  6. Step 6: Final answer
    x = 20,406.34

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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.