Home / 18,587.34-25,508.25-18,456.12

Finding the Fourth Proportional to 18,587.34, 25,508.25 and 18,456.12

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Solution

The fourth proportional to 18,587.34, 25,508.25 and 18,456.12 is: 25,328.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.34 : 25,508.25 = 18,456.12 : x
  2. Step 2: Convert to fraction form
    18,587.34/25,508.25 = 18,456.12/x
  3. Step 3: Cross multiply
    18,587.34x = 25,508.25 × 18,456.12
  4. Step 4: Simplify right side
    18,587.34x = 470,783,322.99
  5. Step 5: Solve for x
    x = 470,783,322.99/18,587.34
  6. Step 6: Final answer
    x = 25,328.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.