Home / 14,811.78-22,217.64-4,948.80

Finding the Fourth Proportional to 14,811.78, 22,217.64 and 4,948.80

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Solution

The fourth proportional to 14,811.78, 22,217.64 and 4,948.80 is: 7,423.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.78 : 22,217.64 = 4,948.80 : x
  2. Step 2: Convert to fraction form
    14,811.78/22,217.64 = 4,948.80/x
  3. Step 3: Cross multiply
    14,811.78x = 22,217.64 × 4,948.80
  4. Step 4: Simplify right side
    14,811.78x = 109,950,656.83
  5. Step 5: Solve for x
    x = 109,950,656.83/14,811.78
  6. Step 6: Final answer
    x = 7,423.19

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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.