Home / 18,508.08-25,540.72-10,124.64

Finding the Fourth Proportional to 18,508.08, 25,540.72 and 10,124.64

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Solution

The fourth proportional to 18,508.08, 25,540.72 and 10,124.64 is: 13,971.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.08 : 25,540.72 = 10,124.64 : x
  2. Step 2: Convert to fraction form
    18,508.08/25,540.72 = 10,124.64/x
  3. Step 3: Cross multiply
    18,508.08x = 25,540.72 × 10,124.64
  4. Step 4: Simplify right side
    18,508.08x = 258,590,595.34
  5. Step 5: Solve for x
    x = 258,590,595.34/18,508.08
  6. Step 6: Final answer
    x = 13,971.77

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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.