Home / 18,168.47-25,066.85-10,609.35

Finding the Fourth Proportional to 18,168.47, 25,066.85 and 10,609.35

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Solution

The fourth proportional to 18,168.47, 25,066.85 and 10,609.35 is: 14,637.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.47 : 25,066.85 = 10,609.35 : x
  2. Step 2: Convert to fraction form
    18,168.47/25,066.85 = 10,609.35/x
  3. Step 3: Cross multiply
    18,168.47x = 25,066.85 × 10,609.35
  4. Step 4: Simplify right side
    18,168.47x = 265,942,995.31
  5. Step 5: Solve for x
    x = 265,942,995.31/18,168.47
  6. Step 6: Final answer
    x = 14,637.61

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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.