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Finding the Fourth Proportional to 16,975.14, 23,424.59 and 9,421.11

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Solution

The fourth proportional to 16,975.14, 23,424.59 and 9,421.11 is: 13,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,975.14 : 23,424.59 = 9,421.11 : x
  2. Step 2: Convert to fraction form
    16,975.14/23,424.59 = 9,421.11/x
  3. Step 3: Cross multiply
    16,975.14x = 23,424.59 × 9,421.11
  4. Step 4: Simplify right side
    16,975.14x = 220,685,662.65
  5. Step 5: Solve for x
    x = 220,685,662.65/16,975.14
  6. Step 6: Final answer
    x = 13,000.52

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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.