Home / 16,072.72-22,172.98-10,409.36

Finding the Fourth Proportional to 16,072.72, 22,172.98 and 10,409.36

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Solution

The fourth proportional to 16,072.72, 22,172.98 and 10,409.36 is: 14,360.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,072.72 : 22,172.98 = 10,409.36 : x
  2. Step 2: Convert to fraction form
    16,072.72/22,172.98 = 10,409.36/x
  3. Step 3: Cross multiply
    16,072.72x = 22,172.98 × 10,409.36
  4. Step 4: Simplify right side
    16,072.72x = 230,806,531.09
  5. Step 5: Solve for x
    x = 230,806,531.09/16,072.72
  6. Step 6: Final answer
    x = 14,360.14

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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.