Home / 14,778.72-22,166.64-9,499.80

Finding the Fourth Proportional to 14,778.72, 22,166.64 and 9,499.80

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Solution

The fourth proportional to 14,778.72, 22,166.64 and 9,499.80 is: 14,248.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.72 : 22,166.64 = 9,499.80 : x
  2. Step 2: Convert to fraction form
    14,778.72/22,166.64 = 9,499.80/x
  3. Step 3: Cross multiply
    14,778.72x = 22,166.64 × 9,499.80
  4. Step 4: Simplify right side
    14,778.72x = 210,578,646.67
  5. Step 5: Solve for x
    x = 210,578,646.67/14,778.72
  6. Step 6: Final answer
    x = 14,248.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.