Home / 16,897.53-23,319.47-9,728.53

Finding the Fourth Proportional to 16,897.53, 23,319.47 and 9,728.53

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Solution

The fourth proportional to 16,897.53, 23,319.47 and 9,728.53 is: 13,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,897.53 : 23,319.47 = 9,728.53 : x
  2. Step 2: Convert to fraction form
    16,897.53/23,319.47 = 9,728.53/x
  3. Step 3: Cross multiply
    16,897.53x = 23,319.47 × 9,728.53
  4. Step 4: Simplify right side
    16,897.53x = 226,864,163.48
  5. Step 5: Solve for x
    x = 226,864,163.48/16,897.53
  6. Step 6: Final answer
    x = 13,425.88

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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.