Home / 16,253.36-22,431.14-9,878.48

Finding the Fourth Proportional to 16,253.36, 22,431.14 and 9,878.48

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Solution

The fourth proportional to 16,253.36, 22,431.14 and 9,878.48 is: 13,633.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,253.36 : 22,431.14 = 9,878.48 : x
  2. Step 2: Convert to fraction form
    16,253.36/22,431.14 = 9,878.48/x
  3. Step 3: Cross multiply
    16,253.36x = 22,431.14 × 9,878.48
  4. Step 4: Simplify right side
    16,253.36x = 221,585,567.87
  5. Step 5: Solve for x
    x = 221,585,567.87/16,253.36
  6. Step 6: Final answer
    x = 13,633.22

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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.