Home / 22,662.36-31,276.18-13,712.08

Finding the Fourth Proportional to 22,662.36, 31,276.18 and 13,712.08

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Solution

The fourth proportional to 22,662.36, 31,276.18 and 13,712.08 is: 18,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,662.36 : 31,276.18 = 13,712.08 : x
  2. Step 2: Convert to fraction form
    22,662.36/31,276.18 = 13,712.08/x
  3. Step 3: Cross multiply
    22,662.36x = 31,276.18 × 13,712.08
  4. Step 4: Simplify right side
    22,662.36x = 428,861,482.25
  5. Step 5: Solve for x
    x = 428,861,482.25/22,662.36
  6. Step 6: Final answer
    x = 18,923.96

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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.