Home / 15,649.13-23,457.30-5,782.12

Finding the Fourth Proportional to 15,649.13, 23,457.30 and 5,782.12

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Solution

The fourth proportional to 15,649.13, 23,457.30 and 5,782.12 is: 8,667.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,649.13 : 23,457.30 = 5,782.12 : x
  2. Step 2: Convert to fraction form
    15,649.13/23,457.30 = 5,782.12/x
  3. Step 3: Cross multiply
    15,649.13x = 23,457.30 × 5,782.12
  4. Step 4: Simplify right side
    15,649.13x = 135,632,843.15
  5. Step 5: Solve for x
    x = 135,632,843.15/15,649.13
  6. Step 6: Final answer
    x = 8,667.12

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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.