Home / 16,211.25-24,320.31-5,121.12

Finding the Fourth Proportional to 16,211.25, 24,320.31 and 5,121.12

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Solution

The fourth proportional to 16,211.25, 24,320.31 and 5,121.12 is: 7,682.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211.25 : 24,320.31 = 5,121.12 : x
  2. Step 2: Convert to fraction form
    16,211.25/24,320.31 = 5,121.12/x
  3. Step 3: Cross multiply
    16,211.25x = 24,320.31 × 5,121.12
  4. Step 4: Simplify right side
    16,211.25x = 124,547,225.95
  5. Step 5: Solve for x
    x = 124,547,225.95/16,211.25
  6. Step 6: Final answer
    x = 7,682.77

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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.