Home / 21,448.20-29,598.52-12,016.84

Finding the Fourth Proportional to 21,448.20, 29,598.52 and 12,016.84

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Solution

The fourth proportional to 21,448.20, 29,598.52 and 12,016.84 is: 16,583.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448.20 : 29,598.52 = 12,016.84 : x
  2. Step 2: Convert to fraction form
    21,448.20/29,598.52 = 12,016.84/x
  3. Step 3: Cross multiply
    21,448.20x = 29,598.52 × 12,016.84
  4. Step 4: Simplify right side
    21,448.20x = 355,680,679.08
  5. Step 5: Solve for x
    x = 355,680,679.08/21,448.20
  6. Step 6: Final answer
    x = 16,583.24

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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.