Home / 22,298.32-30,770.40-12,224.80

Finding the Fourth Proportional to 22,298.32, 30,770.40 and 12,224.80

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Solution

The fourth proportional to 22,298.32, 30,770.40 and 12,224.80 is: 16,869.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,298.32 : 30,770.40 = 12,224.80 : x
  2. Step 2: Convert to fraction form
    22,298.32/30,770.40 = 12,224.80/x
  3. Step 3: Cross multiply
    22,298.32x = 30,770.40 × 12,224.80
  4. Step 4: Simplify right side
    22,298.32x = 376,161,985.92
  5. Step 5: Solve for x
    x = 376,161,985.92/22,298.32
  6. Step 6: Final answer
    x = 16,869.52

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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.