Home / 13,470.44-18,589.22-7,503.26

Finding the Fourth Proportional to 13,470.44, 18,589.22 and 7,503.26

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Solution

The fourth proportional to 13,470.44, 18,589.22 and 7,503.26 is: 10,354.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.44 : 18,589.22 = 7,503.26 : x
  2. Step 2: Convert to fraction form
    13,470.44/18,589.22 = 7,503.26/x
  3. Step 3: Cross multiply
    13,470.44x = 18,589.22 × 7,503.26
  4. Step 4: Simplify right side
    13,470.44x = 139,479,750.86
  5. Step 5: Solve for x
    x = 139,479,750.86/13,470.44
  6. Step 6: Final answer
    x = 10,354.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.