Home / 18,785.52-25,924.86-10,402.02

Finding the Fourth Proportional to 18,785.52, 25,924.86 and 10,402.02

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Solution

The fourth proportional to 18,785.52, 25,924.86 and 10,402.02 is: 14,355.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,785.52 : 25,924.86 = 10,402.02 : x
  2. Step 2: Convert to fraction form
    18,785.52/25,924.86 = 10,402.02/x
  3. Step 3: Cross multiply
    18,785.52x = 25,924.86 × 10,402.02
  4. Step 4: Simplify right side
    18,785.52x = 269,670,912.22
  5. Step 5: Solve for x
    x = 269,670,912.22/18,785.52
  6. Step 6: Final answer
    x = 14,355.25

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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.