Home / 27,132.72-40,709.16-8,666.16

Finding the Fourth Proportional to 27,132.72, 40,709.16 and 8,666.16

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Solution

The fourth proportional to 27,132.72, 40,709.16 and 8,666.16 is: 13,002.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,132.72 : 40,709.16 = 8,666.16 : x
  2. Step 2: Convert to fraction form
    27,132.72/40,709.16 = 8,666.16/x
  3. Step 3: Cross multiply
    27,132.72x = 40,709.16 × 8,666.16
  4. Step 4: Simplify right side
    27,132.72x = 352,792,094.03
  5. Step 5: Solve for x
    x = 352,792,094.03/27,132.72
  6. Step 6: Final answer
    x = 13,002.46

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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.