Home / 18,672.47-25,767.75-10,174.95

Finding the Fourth Proportional to 18,672.47, 25,767.75 and 10,174.95

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Solution

The fourth proportional to 18,672.47, 25,767.75 and 10,174.95 is: 14,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,672.47 : 25,767.75 = 10,174.95 : x
  2. Step 2: Convert to fraction form
    18,672.47/25,767.75 = 10,174.95/x
  3. Step 3: Cross multiply
    18,672.47x = 25,767.75 × 10,174.95
  4. Step 4: Simplify right side
    18,672.47x = 262,185,606.02
  5. Step 5: Solve for x
    x = 262,185,606.02/18,672.47
  6. Step 6: Final answer
    x = 14,041.29

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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.