Home / 18,116.48-27,134.57-13,925.64

Finding the Fourth Proportional to 18,116.48, 27,134.57 and 13,925.64

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Solution

The fourth proportional to 18,116.48, 27,134.57 and 13,925.64 is: 20,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.48 : 27,134.57 = 13,925.64 : x
  2. Step 2: Convert to fraction form
    18,116.48/27,134.57 = 13,925.64/x
  3. Step 3: Cross multiply
    18,116.48x = 27,134.57 × 13,925.64
  4. Step 4: Simplify right side
    18,116.48x = 377,866,253.37
  5. Step 5: Solve for x
    x = 377,866,253.37/18,116.48
  6. Step 6: Final answer
    x = 20,857.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.