Home / 18,632.67-25,712.73-10,134.66

Finding the Fourth Proportional to 18,632.67, 25,712.73 and 10,134.66

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Solution

The fourth proportional to 18,632.67, 25,712.73 and 10,134.66 is: 13,985.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.67 : 25,712.73 = 10,134.66 : x
  2. Step 2: Convert to fraction form
    18,632.67/25,712.73 = 10,134.66/x
  3. Step 3: Cross multiply
    18,632.67x = 25,712.73 × 10,134.66
  4. Step 4: Simplify right side
    18,632.67x = 260,589,776.22
  5. Step 5: Solve for x
    x = 260,589,776.22/18,632.67
  6. Step 6: Final answer
    x = 13,985.64

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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.