Home / 16,238.18-22,400.43-9,863.08

Finding the Fourth Proportional to 16,238.18, 22,400.43 and 9,863.08

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Solution

The fourth proportional to 16,238.18, 22,400.43 and 9,863.08 is: 13,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,238.18 : 22,400.43 = 9,863.08 : x
  2. Step 2: Convert to fraction form
    16,238.18/22,400.43 = 9,863.08/x
  3. Step 3: Cross multiply
    16,238.18x = 22,400.43 × 9,863.08
  4. Step 4: Simplify right side
    16,238.18x = 220,937,172.11
  5. Step 5: Solve for x
    x = 220,937,172.11/16,238.18
  6. Step 6: Final answer
    x = 13,606.03

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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.