Home / 18,964.16-26,164.29-12,253.73

Finding the Fourth Proportional to 18,964.16, 26,164.29 and 12,253.73

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Solution

The fourth proportional to 18,964.16, 26,164.29 and 12,253.73 is: 16,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.16 : 26,164.29 = 12,253.73 : x
  2. Step 2: Convert to fraction form
    18,964.16/26,164.29 = 12,253.73/x
  3. Step 3: Cross multiply
    18,964.16x = 26,164.29 × 12,253.73
  4. Step 4: Simplify right side
    18,964.16x = 320,610,210.71
  5. Step 5: Solve for x
    x = 320,610,210.71/18,964.16
  6. Step 6: Final answer
    x = 16,906.12

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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.