Home / 18,637.41-25,720.52-10,679.66

Finding the Fourth Proportional to 18,637.41, 25,720.52 and 10,679.66

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Solution

The fourth proportional to 18,637.41, 25,720.52 and 10,679.66 is: 14,738.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.41 : 25,720.52 = 10,679.66 : x
  2. Step 2: Convert to fraction form
    18,637.41/25,720.52 = 10,679.66/x
  3. Step 3: Cross multiply
    18,637.41x = 25,720.52 × 10,679.66
  4. Step 4: Simplify right side
    18,637.41x = 274,686,280.02
  5. Step 5: Solve for x
    x = 274,686,280.02/18,637.41
  6. Step 6: Final answer
    x = 14,738.44

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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.