Home / 18,634.61-25,716.01-10,676.81

Finding the Fourth Proportional to 18,634.61, 25,716.01 and 10,676.81

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Solution

The fourth proportional to 18,634.61, 25,716.01 and 10,676.81 is: 14,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.61 : 25,716.01 = 10,676.81 : x
  2. Step 2: Convert to fraction form
    18,634.61/25,716.01 = 10,676.81/x
  3. Step 3: Cross multiply
    18,634.61x = 25,716.01 × 10,676.81
  4. Step 4: Simplify right side
    18,634.61x = 274,564,980.32
  5. Step 5: Solve for x
    x = 274,564,980.32/18,634.61
  6. Step 6: Final answer
    x = 14,734.14

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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.