Home / 15,883.40-23,825.10-8,010.20

Finding the Fourth Proportional to 15,883.40, 23,825.10 and 8,010.20

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Solution

The fourth proportional to 15,883.40, 23,825.10 and 8,010.20 is: 12,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,883.40 : 23,825.10 = 8,010.20 : x
  2. Step 2: Convert to fraction form
    15,883.40/23,825.10 = 8,010.20/x
  3. Step 3: Cross multiply
    15,883.40x = 23,825.10 × 8,010.20
  4. Step 4: Simplify right side
    15,883.40x = 190,843,816.02
  5. Step 5: Solve for x
    x = 190,843,816.02/15,883.40
  6. Step 6: Final answer
    x = 12,015.30

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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.