Home / 14,238.32-19,647.68-7,950.56

Finding the Fourth Proportional to 14,238.32, 19,647.68 and 7,950.56

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Solution

The fourth proportional to 14,238.32, 19,647.68 and 7,950.56 is: 10,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.32 : 19,647.68 = 7,950.56 : x
  2. Step 2: Convert to fraction form
    14,238.32/19,647.68 = 7,950.56/x
  3. Step 3: Cross multiply
    14,238.32x = 19,647.68 × 7,950.56
  4. Step 4: Simplify right side
    14,238.32x = 156,210,058.70
  5. Step 5: Solve for x
    x = 156,210,058.70/14,238.32
  6. Step 6: Final answer
    x = 10,971.10

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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.