Home / 14,385.76-21,569.99-5,624.80

Finding the Fourth Proportional to 14,385.76, 21,569.99 and 5,624.80

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Solution

The fourth proportional to 14,385.76, 21,569.99 and 5,624.80 is: 8,433.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385.76 : 21,569.99 = 5,624.80 : x
  2. Step 2: Convert to fraction form
    14,385.76/21,569.99 = 5,624.80/x
  3. Step 3: Cross multiply
    14,385.76x = 21,569.99 × 5,624.80
  4. Step 4: Simplify right side
    14,385.76x = 121,326,771.90
  5. Step 5: Solve for x
    x = 121,326,771.90/14,385.76
  6. Step 6: Final answer
    x = 8,433.81

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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.