Home / 18,313.47-25,274.91-10,355.52

Finding the Fourth Proportional to 18,313.47, 25,274.91 and 10,355.52

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Solution

The fourth proportional to 18,313.47, 25,274.91 and 10,355.52 is: 14,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.47 : 25,274.91 = 10,355.52 : x
  2. Step 2: Convert to fraction form
    18,313.47/25,274.91 = 10,355.52/x
  3. Step 3: Cross multiply
    18,313.47x = 25,274.91 × 10,355.52
  4. Step 4: Simplify right side
    18,313.47x = 261,734,836.00
  5. Step 5: Solve for x
    x = 261,734,836.00/18,313.47
  6. Step 6: Final answer
    x = 14,291.93

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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.