Home / 18,294.18-27,445.32-5,818.02

Finding the Fourth Proportional to 18,294.18, 27,445.32 and 5,818.02

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Solution

The fourth proportional to 18,294.18, 27,445.32 and 5,818.02 is: 8,728.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.18 : 27,445.32 = 5,818.02 : x
  2. Step 2: Convert to fraction form
    18,294.18/27,445.32 = 5,818.02/x
  3. Step 3: Cross multiply
    18,294.18x = 27,445.32 × 5,818.02
  4. Step 4: Simplify right side
    18,294.18x = 159,677,420.67
  5. Step 5: Solve for x
    x = 159,677,420.67/18,294.18
  6. Step 6: Final answer
    x = 8,728.32

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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.