Home / 14,705.36-20,291.24-8,737.28

Finding the Fourth Proportional to 14,705.36, 20,291.24 and 8,737.28

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Solution

The fourth proportional to 14,705.36, 20,291.24 and 8,737.28 is: 12,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,705.36 : 20,291.24 = 8,737.28 : x
  2. Step 2: Convert to fraction form
    14,705.36/20,291.24 = 8,737.28/x
  3. Step 3: Cross multiply
    14,705.36x = 20,291.24 × 8,737.28
  4. Step 4: Simplify right side
    14,705.36x = 177,290,245.43
  5. Step 5: Solve for x
    x = 177,290,245.43/14,705.36
  6. Step 6: Final answer
    x = 12,056.16

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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.