Home / 53,854.36-80,775.78-18,794.68

Finding the Fourth Proportional to 53,854.36, 80,775.78 and 18,794.68

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Solution

The fourth proportional to 53,854.36, 80,775.78 and 18,794.68 is: 28,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,854.36 : 80,775.78 = 18,794.68 : x
  2. Step 2: Convert to fraction form
    53,854.36/80,775.78 = 18,794.68/x
  3. Step 3: Cross multiply
    53,854.36x = 80,775.78 × 18,794.68
  4. Step 4: Simplify right side
    53,854.36x = 1,518,154,936.85
  5. Step 5: Solve for x
    x = 1,518,154,936.85/53,854.36
  6. Step 6: Final answer
    x = 28,190.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.