Home / 15,550.03-21,472.46-13,333.87

Finding the Fourth Proportional to 15,550.03, 21,472.46 and 13,333.87

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Solution

The fourth proportional to 15,550.03, 21,472.46 and 13,333.87 is: 18,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.03 : 21,472.46 = 13,333.87 : x
  2. Step 2: Convert to fraction form
    15,550.03/21,472.46 = 13,333.87/x
  3. Step 3: Cross multiply
    15,550.03x = 21,472.46 × 13,333.87
  4. Step 4: Simplify right side
    15,550.03x = 286,310,990.22
  5. Step 5: Solve for x
    x = 286,310,990.22/15,550.03
  6. Step 6: Final answer
    x = 18,412.25

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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.