Home / 19,838.17-27,376.93-10,885.51

Finding the Fourth Proportional to 19,838.17, 27,376.93 and 10,885.51

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Solution

The fourth proportional to 19,838.17, 27,376.93 and 10,885.51 is: 15,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.17 : 27,376.93 = 10,885.51 : x
  2. Step 2: Convert to fraction form
    19,838.17/27,376.93 = 10,885.51/x
  3. Step 3: Cross multiply
    19,838.17x = 27,376.93 × 10,885.51
  4. Step 4: Simplify right side
    19,838.17x = 298,011,845.28
  5. Step 5: Solve for x
    x = 298,011,845.28/19,838.17
  6. Step 6: Final answer
    x = 15,022.14

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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.