Home / 22,176.40-30,603.18-12,104.50

Finding the Fourth Proportional to 22,176.40, 30,603.18 and 12,104.50

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Solution

The fourth proportional to 22,176.40, 30,603.18 and 12,104.50 is: 16,704.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.40 : 30,603.18 = 12,104.50 : x
  2. Step 2: Convert to fraction form
    22,176.40/30,603.18 = 12,104.50/x
  3. Step 3: Cross multiply
    22,176.40x = 30,603.18 × 12,104.50
  4. Step 4: Simplify right side
    22,176.40x = 370,436,192.31
  5. Step 5: Solve for x
    x = 370,436,192.31/22,176.40
  6. Step 6: Final answer
    x = 16,704.07

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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.