Home / 22,069.13-30,455.40-12,133.13

Finding the Fourth Proportional to 22,069.13, 30,455.40 and 12,133.13

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Solution

The fourth proportional to 22,069.13, 30,455.40 and 12,133.13 is: 16,743.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,069.13 : 30,455.40 = 12,133.13 : x
  2. Step 2: Convert to fraction form
    22,069.13/30,455.40 = 12,133.13/x
  3. Step 3: Cross multiply
    22,069.13x = 30,455.40 × 12,133.13
  4. Step 4: Simplify right side
    22,069.13x = 369,519,175.13
  5. Step 5: Solve for x
    x = 369,519,175.13/22,069.13
  6. Step 6: Final answer
    x = 16,743.72

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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.