Home / 15,406.10-23,112.80-8,008.88

Finding the Fourth Proportional to 15,406.10, 23,112.80 and 8,008.88

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Solution

The fourth proportional to 15,406.10, 23,112.80 and 8,008.88 is: 12,015.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.10 : 23,112.80 = 8,008.88 : x
  2. Step 2: Convert to fraction form
    15,406.10/23,112.80 = 8,008.88/x
  3. Step 3: Cross multiply
    15,406.10x = 23,112.80 × 8,008.88
  4. Step 4: Simplify right side
    15,406.10x = 185,107,486.06
  5. Step 5: Solve for x
    x = 185,107,486.06/15,406.10
  6. Step 6: Final answer
    x = 12,015.21

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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.