Home / 16,160.51-22,301.03-9,790.88

Finding the Fourth Proportional to 16,160.51, 22,301.03 and 9,790.88

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Solution

The fourth proportional to 16,160.51, 22,301.03 and 9,790.88 is: 13,511.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,160.51 : 22,301.03 = 9,790.88 : x
  2. Step 2: Convert to fraction form
    16,160.51/22,301.03 = 9,790.88/x
  3. Step 3: Cross multiply
    16,160.51x = 22,301.03 × 9,790.88
  4. Step 4: Simplify right side
    16,160.51x = 218,346,621.58
  5. Step 5: Solve for x
    x = 218,346,621.58/16,160.51
  6. Step 6: Final answer
    x = 13,511.12

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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.