Home / 14,190.24-19,581.60-7,902.24

Finding the Fourth Proportional to 14,190.24, 19,581.60 and 7,902.24

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Solution

The fourth proportional to 14,190.24, 19,581.60 and 7,902.24 is: 10,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.24 : 19,581.60 = 7,902.24 : x
  2. Step 2: Convert to fraction form
    14,190.24/19,581.60 = 7,902.24/x
  3. Step 3: Cross multiply
    14,190.24x = 19,581.60 × 7,902.24
  4. Step 4: Simplify right side
    14,190.24x = 154,738,502.78
  5. Step 5: Solve for x
    x = 154,738,502.78/14,190.24
  6. Step 6: Final answer
    x = 10,904.57

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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.