Home / 16,975.65-23,421.12-9,897.06

Finding the Fourth Proportional to 16,975.65, 23,421.12 and 9,897.06

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Solution

The fourth proportional to 16,975.65, 23,421.12 and 9,897.06 is: 13,654.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,975.65 : 23,421.12 = 9,897.06 : x
  2. Step 2: Convert to fraction form
    16,975.65/23,421.12 = 9,897.06/x
  3. Step 3: Cross multiply
    16,975.65x = 23,421.12 × 9,897.06
  4. Step 4: Simplify right side
    16,975.65x = 231,800,229.91
  5. Step 5: Solve for x
    x = 231,800,229.91/16,975.65
  6. Step 6: Final answer
    x = 13,654.87

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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.