Home / 16,187.45-22,341.35-9,114.53

Finding the Fourth Proportional to 16,187.45, 22,341.35 and 9,114.53

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Solution

The fourth proportional to 16,187.45, 22,341.35 and 9,114.53 is: 12,579.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,187.45 : 22,341.35 = 9,114.53 : x
  2. Step 2: Convert to fraction form
    16,187.45/22,341.35 = 9,114.53/x
  3. Step 3: Cross multiply
    16,187.45x = 22,341.35 × 9,114.53
  4. Step 4: Simplify right side
    16,187.45x = 203,630,815.90
  5. Step 5: Solve for x
    x = 203,630,815.90/16,187.45
  6. Step 6: Final answer
    x = 12,579.55

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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.