Home / 27,118.90-40,695.63-11,536.50

Finding the Fourth Proportional to 27,118.90, 40,695.63 and 11,536.50

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Solution

The fourth proportional to 27,118.90, 40,695.63 and 11,536.50 is: 17,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,118.90 : 40,695.63 = 11,536.50 : x
  2. Step 2: Convert to fraction form
    27,118.90/40,695.63 = 11,536.50/x
  3. Step 3: Cross multiply
    27,118.90x = 40,695.63 × 11,536.50
  4. Step 4: Simplify right side
    27,118.90x = 469,485,135.50
  5. Step 5: Solve for x
    x = 469,485,135.50/27,118.90
  6. Step 6: Final answer
    x = 17,312.10

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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.