Home / 22,392.02-30,901.73-12,321.20

Finding the Fourth Proportional to 22,392.02, 30,901.73 and 12,321.20

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Solution

The fourth proportional to 22,392.02, 30,901.73 and 12,321.20 is: 17,003.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,392.02 : 30,901.73 = 12,321.20 : x
  2. Step 2: Convert to fraction form
    22,392.02/30,901.73 = 12,321.20/x
  3. Step 3: Cross multiply
    22,392.02x = 30,901.73 × 12,321.20
  4. Step 4: Simplify right side
    22,392.02x = 380,746,179.56
  5. Step 5: Solve for x
    x = 380,746,179.56/22,392.02
  6. Step 6: Final answer
    x = 17,003.66

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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.