Home / 16,339.47-22,561.18-12,556.64

Finding the Fourth Proportional to 16,339.47, 22,561.18 and 12,556.64

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Solution

The fourth proportional to 16,339.47, 22,561.18 and 12,556.64 is: 17,337.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,339.47 : 22,561.18 = 12,556.64 : x
  2. Step 2: Convert to fraction form
    16,339.47/22,561.18 = 12,556.64/x
  3. Step 3: Cross multiply
    16,339.47x = 22,561.18 × 12,556.64
  4. Step 4: Simplify right side
    16,339.47x = 283,292,615.24
  5. Step 5: Solve for x
    x = 283,292,615.24/16,339.47
  6. Step 6: Final answer
    x = 17,337.93

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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.