Home / 19,792.92-27,307.45-11,288.93

Finding the Fourth Proportional to 19,792.92, 27,307.45 and 11,288.93

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Solution

The fourth proportional to 19,792.92, 27,307.45 and 11,288.93 is: 15,574.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.92 : 27,307.45 = 11,288.93 : x
  2. Step 2: Convert to fraction form
    19,792.92/27,307.45 = 11,288.93/x
  3. Step 3: Cross multiply
    19,792.92x = 27,307.45 × 11,288.93
  4. Step 4: Simplify right side
    19,792.92x = 308,271,754.99
  5. Step 5: Solve for x
    x = 308,271,754.99/19,792.92
  6. Step 6: Final answer
    x = 15,574.85

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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.