Home / 19,176.08-28,722.58-9,294.69

Finding the Fourth Proportional to 19,176.08, 28,722.58 and 9,294.69

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Solution

The fourth proportional to 19,176.08, 28,722.58 and 9,294.69 is: 13,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176.08 : 28,722.58 = 9,294.69 : x
  2. Step 2: Convert to fraction form
    19,176.08/28,722.58 = 9,294.69/x
  3. Step 3: Cross multiply
    19,176.08x = 28,722.58 × 9,294.69
  4. Step 4: Simplify right side
    19,176.08x = 266,967,453.86
  5. Step 5: Solve for x
    x = 266,967,453.86/19,176.08
  6. Step 6: Final answer
    x = 13,921.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.