Home / 18,348.45-25,322.93-10,391.14

Finding the Fourth Proportional to 18,348.45, 25,322.93 and 10,391.14

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Solution

The fourth proportional to 18,348.45, 25,322.93 and 10,391.14 is: 14,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.45 : 25,322.93 = 10,391.14 : x
  2. Step 2: Convert to fraction form
    18,348.45/25,322.93 = 10,391.14/x
  3. Step 3: Cross multiply
    18,348.45x = 25,322.93 × 10,391.14
  4. Step 4: Simplify right side
    18,348.45x = 263,134,110.84
  5. Step 5: Solve for x
    x = 263,134,110.84/18,348.45
  6. Step 6: Final answer
    x = 14,340.94

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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.