Home / 27,415.08-41,113.35-12,615.93

Finding the Fourth Proportional to 27,415.08, 41,113.35 and 12,615.93

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Solution

The fourth proportional to 27,415.08, 41,113.35 and 12,615.93 is: 18,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,415.08 : 41,113.35 = 12,615.93 : x
  2. Step 2: Convert to fraction form
    27,415.08/41,113.35 = 12,615.93/x
  3. Step 3: Cross multiply
    27,415.08x = 41,113.35 × 12,615.93
  4. Step 4: Simplify right side
    27,415.08x = 518,683,145.67
  5. Step 5: Solve for x
    x = 518,683,145.67/27,415.08
  6. Step 6: Final answer
    x = 18,919.63

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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.