Home / 18,973.68-28,461.33-5,826.57

Finding the Fourth Proportional to 18,973.68, 28,461.33 and 5,826.57

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Solution

The fourth proportional to 18,973.68, 28,461.33 and 5,826.57 is: 8,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973.68 : 28,461.33 = 5,826.57 : x
  2. Step 2: Convert to fraction form
    18,973.68/28,461.33 = 5,826.57/x
  3. Step 3: Cross multiply
    18,973.68x = 28,461.33 × 5,826.57
  4. Step 4: Simplify right side
    18,973.68x = 165,831,931.54
  5. Step 5: Solve for x
    x = 165,831,931.54/18,973.68
  6. Step 6: Final answer
    x = 8,740.10

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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.