Home / 14,529.91-20,048.90-8,560.77

Finding the Fourth Proportional to 14,529.91, 20,048.90 and 8,560.77

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Solution

The fourth proportional to 14,529.91, 20,048.90 and 8,560.77 is: 11,812.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,529.91 : 20,048.90 = 8,560.77 : x
  2. Step 2: Convert to fraction form
    14,529.91/20,048.90 = 8,560.77/x
  3. Step 3: Cross multiply
    14,529.91x = 20,048.90 × 8,560.77
  4. Step 4: Simplify right side
    14,529.91x = 171,633,878.60
  5. Step 5: Solve for x
    x = 171,633,878.60/14,529.91
  6. Step 6: Final answer
    x = 11,812.45

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Half scale
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Double scale
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Similar ratio
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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.