Home / 22,133.08-30,530.22-13,174.60

Finding the Fourth Proportional to 22,133.08, 30,530.22 and 13,174.60

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Solution

The fourth proportional to 22,133.08, 30,530.22 and 13,174.60 is: 18,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,133.08 : 30,530.22 = 13,174.60 : x
  2. Step 2: Convert to fraction form
    22,133.08/30,530.22 = 13,174.60/x
  3. Step 3: Cross multiply
    22,133.08x = 30,530.22 × 13,174.60
  4. Step 4: Simplify right side
    22,133.08x = 402,223,436.41
  5. Step 5: Solve for x
    x = 402,223,436.41/22,133.08
  6. Step 6: Final answer
    x = 18,172.95

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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.