Home / 19,792.66-27,312.81-10,838.47

Finding the Fourth Proportional to 19,792.66, 27,312.81 and 10,838.47

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Solution

The fourth proportional to 19,792.66, 27,312.81 and 10,838.47 is: 14,956.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.66 : 27,312.81 = 10,838.47 : x
  2. Step 2: Convert to fraction form
    19,792.66/27,312.81 = 10,838.47/x
  3. Step 3: Cross multiply
    19,792.66x = 27,312.81 × 10,838.47
  4. Step 4: Simplify right side
    19,792.66x = 296,029,071.80
  5. Step 5: Solve for x
    x = 296,029,071.80/19,792.66
  6. Step 6: Final answer
    x = 14,956.51

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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.