Home / 14,788.20-22,176.90-4,927.80

Finding the Fourth Proportional to 14,788.20, 22,176.90 and 4,927.80

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Solution

The fourth proportional to 14,788.20, 22,176.90 and 4,927.80 is: 7,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,788.20 : 22,176.90 = 4,927.80 : x
  2. Step 2: Convert to fraction form
    14,788.20/22,176.90 = 4,927.80/x
  3. Step 3: Cross multiply
    14,788.20x = 22,176.90 × 4,927.80
  4. Step 4: Simplify right side
    14,788.20x = 109,283,327.82
  5. Step 5: Solve for x
    x = 109,283,327.82/14,788.20
  6. Step 6: Final answer
    x = 7,389.90

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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.