Home / 18,423.18-27,640.16-5,942.93

Finding the Fourth Proportional to 18,423.18, 27,640.16 and 5,942.93

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Solution

The fourth proportional to 18,423.18, 27,640.16 and 5,942.93 is: 8,916.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.18 : 27,640.16 = 5,942.93 : x
  2. Step 2: Convert to fraction form
    18,423.18/27,640.16 = 5,942.93/x
  3. Step 3: Cross multiply
    18,423.18x = 27,640.16 × 5,942.93
  4. Step 4: Simplify right side
    18,423.18x = 164,263,506.35
  5. Step 5: Solve for x
    x = 164,263,506.35/18,423.18
  6. Step 6: Final answer
    x = 8,916.13

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1.5x scale

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.