Home / 19,792.82-27,312.69-11,292.95

Finding the Fourth Proportional to 19,792.82, 27,312.69 and 11,292.95

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Solution

The fourth proportional to 19,792.82, 27,312.69 and 11,292.95 is: 15,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.82 : 27,312.69 = 11,292.95 : x
  2. Step 2: Convert to fraction form
    19,792.82/27,312.69 = 11,292.95/x
  3. Step 3: Cross multiply
    19,792.82x = 27,312.69 × 11,292.95
  4. Step 4: Simplify right side
    19,792.82x = 308,440,953.17
  5. Step 5: Solve for x
    x = 308,440,953.17/19,792.82
  6. Step 6: Final answer
    x = 15,583.47

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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.