Home / 18,646.27-25,731.51-10,148.09

Finding the Fourth Proportional to 18,646.27, 25,731.51 and 10,148.09

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Solution

The fourth proportional to 18,646.27, 25,731.51 and 10,148.09 is: 14,004.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.27 : 25,731.51 = 10,148.09 : x
  2. Step 2: Convert to fraction form
    18,646.27/25,731.51 = 10,148.09/x
  3. Step 3: Cross multiply
    18,646.27x = 25,731.51 × 10,148.09
  4. Step 4: Simplify right side
    18,646.27x = 261,125,679.32
  5. Step 5: Solve for x
    x = 261,125,679.32/18,646.27
  6. Step 6: Final answer
    x = 14,004.18

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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.