Home / 18,365.70-25,342.49-10,810.36

Finding the Fourth Proportional to 18,365.70, 25,342.49 and 10,810.36

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Solution

The fourth proportional to 18,365.70, 25,342.49 and 10,810.36 is: 14,917.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.70 : 25,342.49 = 10,810.36 : x
  2. Step 2: Convert to fraction form
    18,365.70/25,342.49 = 10,810.36/x
  3. Step 3: Cross multiply
    18,365.70x = 25,342.49 × 10,810.36
  4. Step 4: Simplify right side
    18,365.70x = 273,961,440.20
  5. Step 5: Solve for x
    x = 273,961,440.20/18,365.70
  6. Step 6: Final answer
    x = 14,917.02

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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.