Home / 14,590.94-20,135.48-8,624.76

Finding the Fourth Proportional to 14,590.94, 20,135.48 and 8,624.76

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Solution

The fourth proportional to 14,590.94, 20,135.48 and 8,624.76 is: 11,902.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.94 : 20,135.48 = 8,624.76 : x
  2. Step 2: Convert to fraction form
    14,590.94/20,135.48 = 8,624.76/x
  3. Step 3: Cross multiply
    14,590.94x = 20,135.48 × 8,624.76
  4. Step 4: Simplify right side
    14,590.94x = 173,663,682.48
  5. Step 5: Solve for x
    x = 173,663,682.48/14,590.94
  6. Step 6: Final answer
    x = 11,902.16

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Half scale
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Double scale
Find fourth proportional to 14,591.94, 20,136.86 and 8,625.76
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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.