Home / 14,384.13-19,859.18-11,020.69

Finding the Fourth Proportional to 14,384.13, 19,859.18 and 11,020.69

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Solution

The fourth proportional to 14,384.13, 19,859.18 and 11,020.69 is: 15,215.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,384.13 : 19,859.18 = 11,020.69 : x
  2. Step 2: Convert to fraction form
    14,384.13/19,859.18 = 11,020.69/x
  3. Step 3: Cross multiply
    14,384.13x = 19,859.18 × 11,020.69
  4. Step 4: Simplify right side
    14,384.13x = 218,861,866.43
  5. Step 5: Solve for x
    x = 218,861,866.43/14,384.13
  6. Step 6: Final answer
    x = 15,215.51

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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.