Home / 18,155.84-25,054.39-10,090.00

Finding the Fourth Proportional to 18,155.84, 25,054.39 and 10,090.00

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Solution

The fourth proportional to 18,155.84, 25,054.39 and 10,090.00 is: 13,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.84 : 25,054.39 = 10,090.00 : x
  2. Step 2: Convert to fraction form
    18,155.84/25,054.39 = 10,090.00/x
  3. Step 3: Cross multiply
    18,155.84x = 25,054.39 × 10,090.00
  4. Step 4: Simplify right side
    18,155.84x = 252,798,747.52
  5. Step 5: Solve for x
    x = 252,798,747.52/18,155.84
  6. Step 6: Final answer
    x = 13,923.82

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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.