Home / 18,607.05-25,677.96-10,109.19

Finding the Fourth Proportional to 18,607.05, 25,677.96 and 10,109.19

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Solution

The fourth proportional to 18,607.05, 25,677.96 and 10,109.19 is: 13,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.05 : 25,677.96 = 10,109.19 : x
  2. Step 2: Convert to fraction form
    18,607.05/25,677.96 = 10,109.19/x
  3. Step 3: Cross multiply
    18,607.05x = 25,677.96 × 10,109.19
  4. Step 4: Simplify right side
    18,607.05x = 259,583,376.45
  5. Step 5: Solve for x
    x = 259,583,376.45/18,607.05
  6. Step 6: Final answer
    x = 13,950.81

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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.