Home / 18,540.12-25,587.80-10,583.89

Finding the Fourth Proportional to 18,540.12, 25,587.80 and 10,583.89

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Solution

The fourth proportional to 18,540.12, 25,587.80 and 10,583.89 is: 14,607.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.12 : 25,587.80 = 10,583.89 : x
  2. Step 2: Convert to fraction form
    18,540.12/25,587.80 = 10,583.89/x
  3. Step 3: Cross multiply
    18,540.12x = 25,587.80 × 10,583.89
  4. Step 4: Simplify right side
    18,540.12x = 270,818,460.54
  5. Step 5: Solve for x
    x = 270,818,460.54/18,540.12
  6. Step 6: Final answer
    x = 14,607.16

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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.