Home / 18,571.31-25,628.30-10,073.45

Finding the Fourth Proportional to 18,571.31, 25,628.30 and 10,073.45

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Solution

The fourth proportional to 18,571.31, 25,628.30 and 10,073.45 is: 13,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.31 : 25,628.30 = 10,073.45 : x
  2. Step 2: Convert to fraction form
    18,571.31/25,628.30 = 10,073.45/x
  3. Step 3: Cross multiply
    18,571.31x = 25,628.30 × 10,073.45
  4. Step 4: Simplify right side
    18,571.31x = 258,165,220.13
  5. Step 5: Solve for x
    x = 258,165,220.13/18,571.31
  6. Step 6: Final answer
    x = 13,901.30

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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.