Home / 18,893.17-28,335.97-17,956.45

Finding the Fourth Proportional to 18,893.17, 28,335.97 and 17,956.45

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Solution

The fourth proportional to 18,893.17, 28,335.97 and 17,956.45 is: 26,931.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,893.17 : 28,335.97 = 17,956.45 : x
  2. Step 2: Convert to fraction form
    18,893.17/28,335.97 = 17,956.45/x
  3. Step 3: Cross multiply
    18,893.17x = 28,335.97 × 17,956.45
  4. Step 4: Simplify right side
    18,893.17x = 508,813,428.51
  5. Step 5: Solve for x
    x = 508,813,428.51/18,893.17
  6. Step 6: Final answer
    x = 26,931.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.