Home / 16,554.78-24,826.89-5,459.40

Finding the Fourth Proportional to 16,554.78, 24,826.89 and 5,459.40

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Solution

The fourth proportional to 16,554.78, 24,826.89 and 5,459.40 is: 8,187.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,554.78 : 24,826.89 = 5,459.40 : x
  2. Step 2: Convert to fraction form
    16,554.78/24,826.89 = 5,459.40/x
  3. Step 3: Cross multiply
    16,554.78x = 24,826.89 × 5,459.40
  4. Step 4: Simplify right side
    16,554.78x = 135,539,923.27
  5. Step 5: Solve for x
    x = 135,539,923.27/16,554.78
  6. Step 6: Final answer
    x = 8,187.36

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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.