Home / 16,172.09-22,316.92-9,001.77

Finding the Fourth Proportional to 16,172.09, 22,316.92 and 9,001.77

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Solution

The fourth proportional to 16,172.09, 22,316.92 and 9,001.77 is: 12,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172.09 : 22,316.92 = 9,001.77 : x
  2. Step 2: Convert to fraction form
    16,172.09/22,316.92 = 9,001.77/x
  3. Step 3: Cross multiply
    16,172.09x = 22,316.92 × 9,001.77
  4. Step 4: Simplify right side
    16,172.09x = 200,891,674.76
  5. Step 5: Solve for x
    x = 200,891,674.76/16,172.09
  6. Step 6: Final answer
    x = 12,422.12

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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.