Home / 18,577.45-25,638.68-10,618.16

Finding the Fourth Proportional to 18,577.45, 25,638.68 and 10,618.16

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Solution

The fourth proportional to 18,577.45, 25,638.68 and 10,618.16 is: 14,654.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.45 : 25,638.68 = 10,618.16 : x
  2. Step 2: Convert to fraction form
    18,577.45/25,638.68 = 10,618.16/x
  3. Step 3: Cross multiply
    18,577.45x = 25,638.68 × 10,618.16
  4. Step 4: Simplify right side
    18,577.45x = 272,235,425.14
  5. Step 5: Solve for x
    x = 272,235,425.14/18,577.45
  6. Step 6: Final answer
    x = 14,654.08

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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.