Home / 15,500.41-23,212.32-8,111.08

Finding the Fourth Proportional to 15,500.41, 23,212.32 and 8,111.08

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Solution

The fourth proportional to 15,500.41, 23,212.32 and 8,111.08 is: 12,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,500.41 : 23,212.32 = 8,111.08 : x
  2. Step 2: Convert to fraction form
    15,500.41/23,212.32 = 8,111.08/x
  3. Step 3: Cross multiply
    15,500.41x = 23,212.32 × 8,111.08
  4. Step 4: Simplify right side
    15,500.41x = 188,276,984.51
  5. Step 5: Solve for x
    x = 188,276,984.51/15,500.41
  6. Step 6: Final answer
    x = 12,146.58

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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.