Home / 19,616.20-29,424.30-11,159.80

Finding the Fourth Proportional to 19,616.20, 29,424.30 and 11,159.80

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Solution

The fourth proportional to 19,616.20, 29,424.30 and 11,159.80 is: 16,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.20 : 29,424.30 = 11,159.80 : x
  2. Step 2: Convert to fraction form
    19,616.20/29,424.30 = 11,159.80/x
  3. Step 3: Cross multiply
    19,616.20x = 29,424.30 × 11,159.80
  4. Step 4: Simplify right side
    19,616.20x = 328,369,303.14
  5. Step 5: Solve for x
    x = 328,369,303.14/19,616.20
  6. Step 6: Final answer
    x = 16,739.70

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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.