Home / 16,729.50-23,086.59-9,655.77

Finding the Fourth Proportional to 16,729.50, 23,086.59 and 9,655.77

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Solution

The fourth proportional to 16,729.50, 23,086.59 and 9,655.77 is: 13,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,729.50 : 23,086.59 = 9,655.77 : x
  2. Step 2: Convert to fraction form
    16,729.50/23,086.59 = 9,655.77/x
  3. Step 3: Cross multiply
    16,729.50x = 23,086.59 × 9,655.77
  4. Step 4: Simplify right side
    16,729.50x = 222,918,803.12
  5. Step 5: Solve for x
    x = 222,918,803.12/16,729.50
  6. Step 6: Final answer
    x = 13,324.89

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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.