Home / 21,616.20-32,347.08-13,298.04

Finding the Fourth Proportional to 21,616.20, 32,347.08 and 13,298.04

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Solution

The fourth proportional to 21,616.20, 32,347.08 and 13,298.04 is: 19,899.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,616.20 : 32,347.08 = 13,298.04 : x
  2. Step 2: Convert to fraction form
    21,616.20/32,347.08 = 13,298.04/x
  3. Step 3: Cross multiply
    21,616.20x = 32,347.08 × 13,298.04
  4. Step 4: Simplify right side
    21,616.20x = 430,152,763.72
  5. Step 5: Solve for x
    x = 430,152,763.72/21,616.20
  6. Step 6: Final answer
    x = 19,899.56

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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.