Home / 16,114.80-22,246.20-10,807.68

Finding the Fourth Proportional to 16,114.80, 22,246.20 and 10,807.68

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Solution

The fourth proportional to 16,114.80, 22,246.20 and 10,807.68 is: 14,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,114.80 : 22,246.20 = 10,807.68 : x
  2. Step 2: Convert to fraction form
    16,114.80/22,246.20 = 10,807.68/x
  3. Step 3: Cross multiply
    16,114.80x = 22,246.20 × 10,807.68
  4. Step 4: Simplify right side
    16,114.80x = 240,429,810.82
  5. Step 5: Solve for x
    x = 240,429,810.82/16,114.80
  6. Step 6: Final answer
    x = 14,919.81

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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.