Home / 18,147.51-25,043.58-10,190.25

Finding the Fourth Proportional to 18,147.51, 25,043.58 and 10,190.25

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Solution

The fourth proportional to 18,147.51, 25,043.58 and 10,190.25 is: 14,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.51 : 25,043.58 = 10,190.25 : x
  2. Step 2: Convert to fraction form
    18,147.51/25,043.58 = 10,190.25/x
  3. Step 3: Cross multiply
    18,147.51x = 25,043.58 × 10,190.25
  4. Step 4: Simplify right side
    18,147.51x = 255,200,341.10
  5. Step 5: Solve for x
    x = 255,200,341.10/18,147.51
  6. Step 6: Final answer
    x = 14,062.55

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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.