Home / 36,570.12-54,822.36-13,191.12

Finding the Fourth Proportional to 36,570.12, 54,822.36 and 13,191.12

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Solution

The fourth proportional to 36,570.12, 54,822.36 and 13,191.12 is: 19,774.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,570.12 : 54,822.36 = 13,191.12 : x
  2. Step 2: Convert to fraction form
    36,570.12/54,822.36 = 13,191.12/x
  3. Step 3: Cross multiply
    36,570.12x = 54,822.36 × 13,191.12
  4. Step 4: Simplify right side
    36,570.12x = 723,168,329.44
  5. Step 5: Solve for x
    x = 723,168,329.44/36,570.12
  6. Step 6: Final answer
    x = 19,774.84

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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.