Home / 22,393.02-30,903.11-12,322.20

Finding the Fourth Proportional to 22,393.02, 30,903.11 and 12,322.20

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Solution

The fourth proportional to 22,393.02, 30,903.11 and 12,322.20 is: 17,005.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,393.02 : 30,903.11 = 12,322.20 : x
  2. Step 2: Convert to fraction form
    22,393.02/30,903.11 = 12,322.20/x
  3. Step 3: Cross multiply
    22,393.02x = 30,903.11 × 12,322.20
  4. Step 4: Simplify right side
    22,393.02x = 380,794,302.04
  5. Step 5: Solve for x
    x = 380,794,302.04/22,393.02
  6. Step 6: Final answer
    x = 17,005.04

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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.