Home / 13,176.16-19,742.32-9,273.60

Finding the Fourth Proportional to 13,176.16, 19,742.32 and 9,273.60

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Solution

The fourth proportional to 13,176.16, 19,742.32 and 9,273.60 is: 13,894.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.16 : 19,742.32 = 9,273.60 : x
  2. Step 2: Convert to fraction form
    13,176.16/19,742.32 = 9,273.60/x
  3. Step 3: Cross multiply
    13,176.16x = 19,742.32 × 9,273.60
  4. Step 4: Simplify right side
    13,176.16x = 183,082,378.75
  5. Step 5: Solve for x
    x = 183,082,378.75/13,176.16
  6. Step 6: Final answer
    x = 13,894.97

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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.