Home / 22,296.04-30,768.77-12,737.20

Finding the Fourth Proportional to 22,296.04, 30,768.77 and 12,737.20

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Solution

The fourth proportional to 22,296.04, 30,768.77 and 12,737.20 is: 17,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,296.04 : 30,768.77 = 12,737.20 : x
  2. Step 2: Convert to fraction form
    22,296.04/30,768.77 = 12,737.20/x
  3. Step 3: Cross multiply
    22,296.04x = 30,768.77 × 12,737.20
  4. Step 4: Simplify right side
    22,296.04x = 391,907,989.86
  5. Step 5: Solve for x
    x = 391,907,989.86/22,296.04
  6. Step 6: Final answer
    x = 17,577.47

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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.