Home / 18,341.62-25,334.34-14,143.66

Finding the Fourth Proportional to 18,341.62, 25,334.34 and 14,143.66

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Solution

The fourth proportional to 18,341.62, 25,334.34 and 14,143.66 is: 19,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.62 : 25,334.34 = 14,143.66 : x
  2. Step 2: Convert to fraction form
    18,341.62/25,334.34 = 14,143.66/x
  3. Step 3: Cross multiply
    18,341.62x = 25,334.34 × 14,143.66
  4. Step 4: Simplify right side
    18,341.62x = 358,320,291.28
  5. Step 5: Solve for x
    x = 358,320,291.28/18,341.62
  6. Step 6: Final answer
    x = 19,535.91

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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.