Home / 18,509.40-25,544.70-10,550.04

Finding the Fourth Proportional to 18,509.40, 25,544.70 and 10,550.04

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Solution

The fourth proportional to 18,509.40, 25,544.70 and 10,550.04 is: 14,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509.40 : 25,544.70 = 10,550.04 : x
  2. Step 2: Convert to fraction form
    18,509.40/25,544.70 = 10,550.04/x
  3. Step 3: Cross multiply
    18,509.40x = 25,544.70 × 10,550.04
  4. Step 4: Simplify right side
    18,509.40x = 269,497,606.79
  5. Step 5: Solve for x
    x = 269,497,606.79/18,509.40
  6. Step 6: Final answer
    x = 14,560.04

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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.