Home / 18,349.50-25,322.41-10,393.28

Finding the Fourth Proportional to 18,349.50, 25,322.41 and 10,393.28

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Solution

The fourth proportional to 18,349.50, 25,322.41 and 10,393.28 is: 14,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.50 : 25,322.41 = 10,393.28 : x
  2. Step 2: Convert to fraction form
    18,349.50/25,322.41 = 10,393.28/x
  3. Step 3: Cross multiply
    18,349.50x = 25,322.41 × 10,393.28
  4. Step 4: Simplify right side
    18,349.50x = 263,182,897.40
  5. Step 5: Solve for x
    x = 263,182,897.40/18,349.50
  6. Step 6: Final answer
    x = 14,342.78

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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.