Home / 30,837.84-42,560.39-18,094.11

Finding the Fourth Proportional to 30,837.84, 42,560.39 and 18,094.11

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Solution

The fourth proportional to 30,837.84, 42,560.39 and 18,094.11 is: 24,972.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,837.84 : 42,560.39 = 18,094.11 : x
  2. Step 2: Convert to fraction form
    30,837.84/42,560.39 = 18,094.11/x
  3. Step 3: Cross multiply
    30,837.84x = 42,560.39 × 18,094.11
  4. Step 4: Simplify right side
    30,837.84x = 770,092,378.30
  5. Step 5: Solve for x
    x = 770,092,378.30/30,837.84
  6. Step 6: Final answer
    x = 24,972.32

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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.