Home / 27,930.10-41,895.15-7,153.60

Finding the Fourth Proportional to 27,930.10, 41,895.15 and 7,153.60

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Solution

The fourth proportional to 27,930.10, 41,895.15 and 7,153.60 is: 10,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930.10 : 41,895.15 = 7,153.60 : x
  2. Step 2: Convert to fraction form
    27,930.10/41,895.15 = 7,153.60/x
  3. Step 3: Cross multiply
    27,930.10x = 41,895.15 × 7,153.60
  4. Step 4: Simplify right side
    27,930.10x = 299,701,145.04
  5. Step 5: Solve for x
    x = 299,701,145.04/27,930.10
  6. Step 6: Final answer
    x = 10,730.40

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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.