Home / 53,132.69-79,686.25-15,682.66

Finding the Fourth Proportional to 53,132.69, 79,686.25 and 15,682.66

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Solution

The fourth proportional to 53,132.69, 79,686.25 and 15,682.66 is: 23,520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,132.69 : 79,686.25 = 15,682.66 : x
  2. Step 2: Convert to fraction form
    53,132.69/79,686.25 = 15,682.66/x
  3. Step 3: Cross multiply
    53,132.69x = 79,686.25 × 15,682.66
  4. Step 4: Simplify right side
    53,132.69x = 1,249,692,365.43
  5. Step 5: Solve for x
    x = 1,249,692,365.43/53,132.69
  6. Step 6: Final answer
    x = 23,520.22

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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.