Home / 18,895.17-28,343.76-5,746.53

Finding the Fourth Proportional to 18,895.17, 28,343.76 and 5,746.53

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Solution

The fourth proportional to 18,895.17, 28,343.76 and 5,746.53 is: 8,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.17 : 28,343.76 = 5,746.53 : x
  2. Step 2: Convert to fraction form
    18,895.17/28,343.76 = 5,746.53/x
  3. Step 3: Cross multiply
    18,895.17x = 28,343.76 × 5,746.53
  4. Step 4: Simplify right side
    18,895.17x = 162,878,267.15
  5. Step 5: Solve for x
    x = 162,878,267.15/18,895.17
  6. Step 6: Final answer
    x = 8,620.10

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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.