Home / 16,490.12-22,756.36-9,682.80

Finding the Fourth Proportional to 16,490.12, 22,756.36 and 9,682.80

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Solution

The fourth proportional to 16,490.12, 22,756.36 and 9,682.80 is: 13,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.12 : 22,756.36 = 9,682.80 : x
  2. Step 2: Convert to fraction form
    16,490.12/22,756.36 = 9,682.80/x
  3. Step 3: Cross multiply
    16,490.12x = 22,756.36 × 9,682.80
  4. Step 4: Simplify right side
    16,490.12x = 220,345,282.61
  5. Step 5: Solve for x
    x = 220,345,282.61/16,490.12
  6. Step 6: Final answer
    x = 13,362.26

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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.