Home / 18,349.43-25,323.78-10,393.07

Finding the Fourth Proportional to 18,349.43, 25,323.78 and 10,393.07

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Solution

The fourth proportional to 18,349.43, 25,323.78 and 10,393.07 is: 14,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.43 : 25,323.78 = 10,393.07 : x
  2. Step 2: Convert to fraction form
    18,349.43/25,323.78 = 10,393.07/x
  3. Step 3: Cross multiply
    18,349.43x = 25,323.78 × 10,393.07
  4. Step 4: Simplify right side
    18,349.43x = 263,191,691.59
  5. Step 5: Solve for x
    x = 263,191,691.59/18,349.43
  6. Step 6: Final answer
    x = 14,343.32

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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.