Home / 13,550.59-20,328.17-4,665.57

Finding the Fourth Proportional to 13,550.59, 20,328.17 and 4,665.57

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Solution

The fourth proportional to 13,550.59, 20,328.17 and 4,665.57 is: 6,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.59 : 20,328.17 = 4,665.57 : x
  2. Step 2: Convert to fraction form
    13,550.59/20,328.17 = 4,665.57/x
  3. Step 3: Cross multiply
    13,550.59x = 20,328.17 × 4,665.57
  4. Step 4: Simplify right side
    13,550.59x = 94,842,400.55
  5. Step 5: Solve for x
    x = 94,842,400.55/13,550.59
  6. Step 6: Final answer
    x = 6,999.13

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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.