Home / 18,295.14-25,247.34-9,911.64

Finding the Fourth Proportional to 18,295.14, 25,247.34 and 9,911.64

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Solution

The fourth proportional to 18,295.14, 25,247.34 and 9,911.64 is: 13,678.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.14 : 25,247.34 = 9,911.64 : x
  2. Step 2: Convert to fraction form
    18,295.14/25,247.34 = 9,911.64/x
  3. Step 3: Cross multiply
    18,295.14x = 25,247.34 × 9,911.64
  4. Step 4: Simplify right side
    18,295.14x = 250,242,545.04
  5. Step 5: Solve for x
    x = 250,242,545.04/18,295.14
  6. Step 6: Final answer
    x = 13,678.09

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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.