Home / 19,792.68-27,307.13-11,288.69

Finding the Fourth Proportional to 19,792.68, 27,307.13 and 11,288.69

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Solution

The fourth proportional to 19,792.68, 27,307.13 and 11,288.69 is: 15,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.68 : 27,307.13 = 11,288.69 : x
  2. Step 2: Convert to fraction form
    19,792.68/27,307.13 = 11,288.69/x
  3. Step 3: Cross multiply
    19,792.68x = 27,307.13 × 11,288.69
  4. Step 4: Simplify right side
    19,792.68x = 308,261,711.58
  5. Step 5: Solve for x
    x = 308,261,711.58/19,792.68
  6. Step 6: Final answer
    x = 15,574.53

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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.