Home / 22,143.89-33,235.02-11,621.34

Finding the Fourth Proportional to 22,143.89, 33,235.02 and 11,621.34

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Solution

The fourth proportional to 22,143.89, 33,235.02 and 11,621.34 is: 17,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143.89 : 33,235.02 = 11,621.34 : x
  2. Step 2: Convert to fraction form
    22,143.89/33,235.02 = 11,621.34/x
  3. Step 3: Cross multiply
    22,143.89x = 33,235.02 × 11,621.34
  4. Step 4: Simplify right side
    22,143.89x = 386,235,510.91
  5. Step 5: Solve for x
    x = 386,235,510.91/22,143.89
  6. Step 6: Final answer
    x = 17,442.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.