Home / 16,228.68-22,395.55-9,155.08

Finding the Fourth Proportional to 16,228.68, 22,395.55 and 9,155.08

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Solution

The fourth proportional to 16,228.68, 22,395.55 and 9,155.08 is: 12,633.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,228.68 : 22,395.55 = 9,155.08 : x
  2. Step 2: Convert to fraction form
    16,228.68/22,395.55 = 9,155.08/x
  3. Step 3: Cross multiply
    16,228.68x = 22,395.55 × 9,155.08
  4. Step 4: Simplify right side
    16,228.68x = 205,033,051.89
  5. Step 5: Solve for x
    x = 205,033,051.89/16,228.68
  6. Step 6: Final answer
    x = 12,633.99

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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.