Home / 25,715.18-38,577.58-11,676.18

Finding the Fourth Proportional to 25,715.18, 38,577.58 and 11,676.18

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Solution

The fourth proportional to 25,715.18, 38,577.58 and 11,676.18 is: 17,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,715.18 : 38,577.58 = 11,676.18 : x
  2. Step 2: Convert to fraction form
    25,715.18/38,577.58 = 11,676.18/x
  3. Step 3: Cross multiply
    25,715.18x = 38,577.58 × 11,676.18
  4. Step 4: Simplify right side
    25,715.18x = 450,438,768.04
  5. Step 5: Solve for x
    x = 450,438,768.04/25,715.18
  6. Step 6: Final answer
    x = 17,516.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.