Home / 18,654.76-25,743.36-10,271.08

Finding the Fourth Proportional to 18,654.76, 25,743.36 and 10,271.08

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Solution

The fourth proportional to 18,654.76, 25,743.36 and 10,271.08 is: 14,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.76 : 25,743.36 = 10,271.08 : x
  2. Step 2: Convert to fraction form
    18,654.76/25,743.36 = 10,271.08/x
  3. Step 3: Cross multiply
    18,654.76x = 25,743.36 × 10,271.08
  4. Step 4: Simplify right side
    18,654.76x = 264,412,110.03
  5. Step 5: Solve for x
    x = 264,412,110.03/18,654.76
  6. Step 6: Final answer
    x = 14,173.98

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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.