Home / 36,680.90-55,000.68-11,715.08

Finding the Fourth Proportional to 36,680.90, 55,000.68 and 11,715.08

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Solution

The fourth proportional to 36,680.90, 55,000.68 and 11,715.08 is: 17,566.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,680.90 : 55,000.68 = 11,715.08 : x
  2. Step 2: Convert to fraction form
    36,680.90/55,000.68 = 11,715.08/x
  3. Step 3: Cross multiply
    36,680.90x = 55,000.68 × 11,715.08
  4. Step 4: Simplify right side
    36,680.90x = 644,337,091.25
  5. Step 5: Solve for x
    x = 644,337,091.25/36,680.90
  6. Step 6: Final answer
    x = 17,566.01

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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.