Home / 25,313.72-34,933.92-13,983.80

Finding the Fourth Proportional to 25,313.72, 34,933.92 and 13,983.80

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Solution

The fourth proportional to 25,313.72, 34,933.92 and 13,983.80 is: 19,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,313.72 : 34,933.92 = 13,983.80 : x
  2. Step 2: Convert to fraction form
    25,313.72/34,933.92 = 13,983.80/x
  3. Step 3: Cross multiply
    25,313.72x = 34,933.92 × 13,983.80
  4. Step 4: Simplify right side
    25,313.72x = 488,508,950.50
  5. Step 5: Solve for x
    x = 488,508,950.50/25,313.72
  6. Step 6: Final answer
    x = 19,298.19

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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.