Home / 27,587.52-41,348.85-12,765.12

Finding the Fourth Proportional to 27,587.52, 41,348.85 and 12,765.12

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Solution

The fourth proportional to 27,587.52, 41,348.85 and 12,765.12 is: 19,132.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,587.52 : 41,348.85 = 12,765.12 : x
  2. Step 2: Convert to fraction form
    27,587.52/41,348.85 = 12,765.12/x
  3. Step 3: Cross multiply
    27,587.52x = 41,348.85 × 12,765.12
  4. Step 4: Simplify right side
    27,587.52x = 527,823,032.11
  5. Step 5: Solve for x
    x = 527,823,032.11/27,587.52
  6. Step 6: Final answer
    x = 19,132.67

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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.