Home / 15,024.47-20,735.60-8,736.84

Finding the Fourth Proportional to 15,024.47, 20,735.60 and 8,736.84

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Solution

The fourth proportional to 15,024.47, 20,735.60 and 8,736.84 is: 12,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,024.47 : 20,735.60 = 8,736.84 : x
  2. Step 2: Convert to fraction form
    15,024.47/20,735.60 = 8,736.84/x
  3. Step 3: Cross multiply
    15,024.47x = 20,735.60 × 8,736.84
  4. Step 4: Simplify right side
    15,024.47x = 181,163,575.82
  5. Step 5: Solve for x
    x = 181,163,575.82/15,024.47
  6. Step 6: Final answer
    x = 12,057.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.