Home / 18,508.32-25,540.56-10,124.64

Finding the Fourth Proportional to 18,508.32, 25,540.56 and 10,124.64

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Solution

The fourth proportional to 18,508.32, 25,540.56 and 10,124.64 is: 13,971.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.32 : 25,540.56 = 10,124.64 : x
  2. Step 2: Convert to fraction form
    18,508.32/25,540.56 = 10,124.64/x
  3. Step 3: Cross multiply
    18,508.32x = 25,540.56 × 10,124.64
  4. Step 4: Simplify right side
    18,508.32x = 258,588,975.40
  5. Step 5: Solve for x
    x = 258,588,975.40/18,508.32
  6. Step 6: Final answer
    x = 13,971.50

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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.