Home / 19,792.49-27,312.57-10,838.30

Finding the Fourth Proportional to 19,792.49, 27,312.57 and 10,838.30

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Solution

The fourth proportional to 19,792.49, 27,312.57 and 10,838.30 is: 14,956.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.49 : 27,312.57 = 10,838.30 : x
  2. Step 2: Convert to fraction form
    19,792.49/27,312.57 = 10,838.30/x
  3. Step 3: Cross multiply
    19,792.49x = 27,312.57 × 10,838.30
  4. Step 4: Simplify right side
    19,792.49x = 296,021,690.87
  5. Step 5: Solve for x
    x = 296,021,690.87/19,792.49
  6. Step 6: Final answer
    x = 14,956.27

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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.