Home / 16,259.36-22,439.04-9,888.44

Finding the Fourth Proportional to 16,259.36, 22,439.04 and 9,888.44

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Solution

The fourth proportional to 16,259.36, 22,439.04 and 9,888.44 is: 13,646.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,259.36 : 22,439.04 = 9,888.44 : x
  2. Step 2: Convert to fraction form
    16,259.36/22,439.04 = 9,888.44/x
  3. Step 3: Cross multiply
    16,259.36x = 22,439.04 × 9,888.44
  4. Step 4: Simplify right side
    16,259.36x = 221,887,100.70
  5. Step 5: Solve for x
    x = 221,887,100.70/16,259.36
  6. Step 6: Final answer
    x = 13,646.73

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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.