Home / 27,415.51-41,117.12-12,610.21

Finding the Fourth Proportional to 27,415.51, 41,117.12 and 12,610.21

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Solution

The fourth proportional to 27,415.51, 41,117.12 and 12,610.21 is: 18,912.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,415.51 : 41,117.12 = 12,610.21 : x
  2. Step 2: Convert to fraction form
    27,415.51/41,117.12 = 12,610.21/x
  3. Step 3: Cross multiply
    27,415.51x = 41,117.12 × 12,610.21
  4. Step 4: Simplify right side
    27,415.51x = 518,495,351.95
  5. Step 5: Solve for x
    x = 518,495,351.95/27,415.51
  6. Step 6: Final answer
    x = 18,912.48

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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.