Home / 22,176.32-30,602.03-12,102.75

Finding the Fourth Proportional to 22,176.32, 30,602.03 and 12,102.75

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Solution

The fourth proportional to 22,176.32, 30,602.03 and 12,102.75 is: 16,701.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.32 : 30,602.03 = 12,102.75 : x
  2. Step 2: Convert to fraction form
    22,176.32/30,602.03 = 12,102.75/x
  3. Step 3: Cross multiply
    22,176.32x = 30,602.03 × 12,102.75
  4. Step 4: Simplify right side
    22,176.32x = 370,368,658.07
  5. Step 5: Solve for x
    x = 370,368,658.07/22,176.32
  6. Step 6: Final answer
    x = 16,701.09

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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.