Home / 53,235.25-79,840.57-15,786.28

Finding the Fourth Proportional to 53,235.25, 79,840.57 and 15,786.28

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Solution

The fourth proportional to 53,235.25, 79,840.57 and 15,786.28 is: 23,675.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,235.25 : 79,840.57 = 15,786.28 : x
  2. Step 2: Convert to fraction form
    53,235.25/79,840.57 = 15,786.28/x
  3. Step 3: Cross multiply
    53,235.25x = 79,840.57 × 15,786.28
  4. Step 4: Simplify right side
    53,235.25x = 1,260,385,593.38
  5. Step 5: Solve for x
    x = 1,260,385,593.38/53,235.25
  6. Step 6: Final answer
    x = 23,675.77

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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.