Home / 16,172.30-22,316.55-9,097.36

Finding the Fourth Proportional to 16,172.30, 22,316.55 and 9,097.36

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Solution

The fourth proportional to 16,172.30, 22,316.55 and 9,097.36 is: 12,553.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172.30 : 22,316.55 = 9,097.36 : x
  2. Step 2: Convert to fraction form
    16,172.30/22,316.55 = 9,097.36/x
  3. Step 3: Cross multiply
    16,172.30x = 22,316.55 × 9,097.36
  4. Step 4: Simplify right side
    16,172.30x = 203,021,689.31
  5. Step 5: Solve for x
    x = 203,021,689.31/16,172.30
  6. Step 6: Final answer
    x = 12,553.67

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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.