Home / 18,214.56-25,135.41-10,148.02

Finding the Fourth Proportional to 18,214.56, 25,135.41 and 10,148.02

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Solution

The fourth proportional to 18,214.56, 25,135.41 and 10,148.02 is: 14,003.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.56 : 25,135.41 = 10,148.02 : x
  2. Step 2: Convert to fraction form
    18,214.56/25,135.41 = 10,148.02/x
  3. Step 3: Cross multiply
    18,214.56x = 25,135.41 × 10,148.02
  4. Step 4: Simplify right side
    18,214.56x = 255,074,643.39
  5. Step 5: Solve for x
    x = 255,074,643.39/18,214.56
  6. Step 6: Final answer
    x = 14,003.89

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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.