Home / 22,111.84-33,154.80-15,178.24

Finding the Fourth Proportional to 22,111.84, 33,154.80 and 15,178.24

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Solution

The fourth proportional to 22,111.84, 33,154.80 and 15,178.24 is: 22,758.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,111.84 : 33,154.80 = 15,178.24 : x
  2. Step 2: Convert to fraction form
    22,111.84/33,154.80 = 15,178.24/x
  3. Step 3: Cross multiply
    22,111.84x = 33,154.80 × 15,178.24
  4. Step 4: Simplify right side
    22,111.84x = 503,231,511.55
  5. Step 5: Solve for x
    x = 503,231,511.55/22,111.84
  6. Step 6: Final answer
    x = 22,758.46

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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.