Home / 13,176.57-18,173.21-9,957.14

Finding the Fourth Proportional to 13,176.57, 18,173.21 and 9,957.14

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Solution

The fourth proportional to 13,176.57, 18,173.21 and 9,957.14 is: 13,732.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.57 : 18,173.21 = 9,957.14 : x
  2. Step 2: Convert to fraction form
    13,176.57/18,173.21 = 9,957.14/x
  3. Step 3: Cross multiply
    13,176.57x = 18,173.21 × 9,957.14
  4. Step 4: Simplify right side
    13,176.57x = 180,953,055.57
  5. Step 5: Solve for x
    x = 180,953,055.57/13,176.57
  6. Step 6: Final answer
    x = 13,732.94

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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.