Home / 18,718.36-25,830.66-10,334.68

Finding the Fourth Proportional to 18,718.36, 25,830.66 and 10,334.68

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Solution

The fourth proportional to 18,718.36, 25,830.66 and 10,334.68 is: 14,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718.36 : 25,830.66 = 10,334.68 : x
  2. Step 2: Convert to fraction form
    18,718.36/25,830.66 = 10,334.68/x
  3. Step 3: Cross multiply
    18,718.36x = 25,830.66 × 10,334.68
  4. Step 4: Simplify right side
    18,718.36x = 266,951,605.29
  5. Step 5: Solve for x
    x = 266,951,605.29/18,718.36
  6. Step 6: Final answer
    x = 14,261.48

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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.