Home / 19,883.20-29,788.08-16,617.28

Finding the Fourth Proportional to 19,883.20, 29,788.08 and 16,617.28

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Solution

The fourth proportional to 19,883.20, 29,788.08 and 16,617.28 is: 24,895.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,883.20 : 29,788.08 = 16,617.28 : x
  2. Step 2: Convert to fraction form
    19,883.20/29,788.08 = 16,617.28/x
  3. Step 3: Cross multiply
    19,883.20x = 29,788.08 × 16,617.28
  4. Step 4: Simplify right side
    19,883.20x = 494,996,866.02
  5. Step 5: Solve for x
    x = 494,996,866.02/19,883.20
  6. Step 6: Final answer
    x = 24,895.23

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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.