Home / 16,567.75-22,863.50-9,115.75

Finding the Fourth Proportional to 16,567.75, 22,863.50 and 9,115.75

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Solution

The fourth proportional to 16,567.75, 22,863.50 and 9,115.75 is: 12,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,567.75 : 22,863.50 = 9,115.75 : x
  2. Step 2: Convert to fraction form
    16,567.75/22,863.50 = 9,115.75/x
  3. Step 3: Cross multiply
    16,567.75x = 22,863.50 × 9,115.75
  4. Step 4: Simplify right side
    16,567.75x = 208,417,950.13
  5. Step 5: Solve for x
    x = 208,417,950.13/16,567.75
  6. Step 6: Final answer
    x = 12,579.74

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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.