Home / 18,634.02-25,716.65-10,678.82

Finding the Fourth Proportional to 18,634.02, 25,716.65 and 10,678.82

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Solution

The fourth proportional to 18,634.02, 25,716.65 and 10,678.82 is: 14,737.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.02 : 25,716.65 = 10,678.82 : x
  2. Step 2: Convert to fraction form
    18,634.02/25,716.65 = 10,678.82/x
  3. Step 3: Cross multiply
    18,634.02x = 25,716.65 × 10,678.82
  4. Step 4: Simplify right side
    18,634.02x = 274,623,476.35
  5. Step 5: Solve for x
    x = 274,623,476.35/18,634.02
  6. Step 6: Final answer
    x = 14,737.75

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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.