Home / 22,436.12-33,665.69-15,421.79

Finding the Fourth Proportional to 22,436.12, 33,665.69 and 15,421.79

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Solution

The fourth proportional to 22,436.12, 33,665.69 and 15,421.79 is: 23,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,436.12 : 33,665.69 = 15,421.79 : x
  2. Step 2: Convert to fraction form
    22,436.12/33,665.69 = 15,421.79/x
  3. Step 3: Cross multiply
    22,436.12x = 33,665.69 × 15,421.79
  4. Step 4: Simplify right side
    22,436.12x = 519,185,324.10
  5. Step 5: Solve for x
    x = 519,185,324.10/22,436.12
  6. Step 6: Final answer
    x = 23,140.60

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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.