Home / 22,046.03-30,406.84-15,328.29

Finding the Fourth Proportional to 22,046.03, 30,406.84 and 15,328.29

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Solution

The fourth proportional to 22,046.03, 30,406.84 and 15,328.29 is: 21,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,046.03 : 30,406.84 = 15,328.29 : x
  2. Step 2: Convert to fraction form
    22,046.03/30,406.84 = 15,328.29/x
  3. Step 3: Cross multiply
    22,046.03x = 30,406.84 × 15,328.29
  4. Step 4: Simplify right side
    22,046.03x = 466,084,861.50
  5. Step 5: Solve for x
    x = 466,084,861.50/22,046.03
  6. Step 6: Final answer
    x = 21,141.45

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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.