Home / 18,313.98-25,275.60-10,356.03

Finding the Fourth Proportional to 18,313.98, 25,275.60 and 10,356.03

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Solution

The fourth proportional to 18,313.98, 25,275.60 and 10,356.03 is: 14,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.98 : 25,275.60 = 10,356.03 : x
  2. Step 2: Convert to fraction form
    18,313.98/25,275.60 = 10,356.03/x
  3. Step 3: Cross multiply
    18,313.98x = 25,275.60 × 10,356.03
  4. Step 4: Simplify right side
    18,313.98x = 261,754,871.87
  5. Step 5: Solve for x
    x = 261,754,871.87/18,313.98
  6. Step 6: Final answer
    x = 14,292.63

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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.