Home / 27,643.52-38,147.47-16,884.69

Finding the Fourth Proportional to 27,643.52, 38,147.47 and 16,884.69

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Solution

The fourth proportional to 27,643.52, 38,147.47 and 16,884.69 is: 23,300.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,643.52 : 38,147.47 = 16,884.69 : x
  2. Step 2: Convert to fraction form
    27,643.52/38,147.47 = 16,884.69/x
  3. Step 3: Cross multiply
    27,643.52x = 38,147.47 × 16,884.69
  4. Step 4: Simplify right side
    27,643.52x = 644,108,163.02
  5. Step 5: Solve for x
    x = 644,108,163.02/27,643.52
  6. Step 6: Final answer
    x = 23,300.52

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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.