Home / 15,025.21-20,736.60-8,737.59

Finding the Fourth Proportional to 15,025.21, 20,736.60 and 8,737.59

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Solution

The fourth proportional to 15,025.21, 20,736.60 and 8,737.59 is: 12,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,025.21 : 20,736.60 = 8,737.59 : x
  2. Step 2: Convert to fraction form
    15,025.21/20,736.60 = 8,737.59/x
  3. Step 3: Cross multiply
    15,025.21x = 20,736.60 × 8,737.59
  4. Step 4: Simplify right side
    15,025.21x = 181,187,908.79
  5. Step 5: Solve for x
    x = 181,187,908.79/15,025.21
  6. Step 6: Final answer
    x = 12,058.93

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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.