Home / 18,373.43-25,355.61-10,415.48

Finding the Fourth Proportional to 18,373.43, 25,355.61 and 10,415.48

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Solution

The fourth proportional to 18,373.43, 25,355.61 and 10,415.48 is: 14,373.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.43 : 25,355.61 = 10,415.48 : x
  2. Step 2: Convert to fraction form
    18,373.43/25,355.61 = 10,415.48/x
  3. Step 3: Cross multiply
    18,373.43x = 25,355.61 × 10,415.48
  4. Step 4: Simplify right side
    18,373.43x = 264,090,722.06
  5. Step 5: Solve for x
    x = 264,090,722.06/18,373.43
  6. Step 6: Final answer
    x = 14,373.51

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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.