Home / 15,422.19-23,102.44-7,090.80

Finding the Fourth Proportional to 15,422.19, 23,102.44 and 7,090.80

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Solution

The fourth proportional to 15,422.19, 23,102.44 and 7,090.80 is: 10,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.19 : 23,102.44 = 7,090.80 : x
  2. Step 2: Convert to fraction form
    15,422.19/23,102.44 = 7,090.80/x
  3. Step 3: Cross multiply
    15,422.19x = 23,102.44 × 7,090.80
  4. Step 4: Simplify right side
    15,422.19x = 163,814,781.55
  5. Step 5: Solve for x
    x = 163,814,781.55/15,422.19
  6. Step 6: Final answer
    x = 10,622.02

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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.