Home / 53,216.26-79,825.17-15,780.14

Finding the Fourth Proportional to 53,216.26, 79,825.17 and 15,780.14

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Solution

The fourth proportional to 53,216.26, 79,825.17 and 15,780.14 is: 23,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,216.26 : 79,825.17 = 15,780.14 : x
  2. Step 2: Convert to fraction form
    53,216.26/79,825.17 = 15,780.14/x
  3. Step 3: Cross multiply
    53,216.26x = 79,825.17 × 15,780.14
  4. Step 4: Simplify right side
    53,216.26x = 1,259,652,358.12
  5. Step 5: Solve for x
    x = 1,259,652,358.12/53,216.26
  6. Step 6: Final answer
    x = 23,670.44

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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.