Home / 18,126.66-25,014.63-10,168.71

Finding the Fourth Proportional to 18,126.66, 25,014.63 and 10,168.71

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Solution

The fourth proportional to 18,126.66, 25,014.63 and 10,168.71 is: 14,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.66 : 25,014.63 = 10,168.71 : x
  2. Step 2: Convert to fraction form
    18,126.66/25,014.63 = 10,168.71/x
  3. Step 3: Cross multiply
    18,126.66x = 25,014.63 × 10,168.71
  4. Step 4: Simplify right side
    18,126.66x = 254,366,518.23
  5. Step 5: Solve for x
    x = 254,366,518.23/18,126.66
  6. Step 6: Final answer
    x = 14,032.73

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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.