Home / 14,981.76-22,455.15-11,272.08

Finding the Fourth Proportional to 14,981.76, 22,455.15 and 11,272.08

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Solution

The fourth proportional to 14,981.76, 22,455.15 and 11,272.08 is: 16,894.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.76 : 22,455.15 = 11,272.08 : x
  2. Step 2: Convert to fraction form
    14,981.76/22,455.15 = 11,272.08/x
  3. Step 3: Cross multiply
    14,981.76x = 22,455.15 × 11,272.08
  4. Step 4: Simplify right side
    14,981.76x = 253,116,247.21
  5. Step 5: Solve for x
    x = 253,116,247.21/14,981.76
  6. Step 6: Final answer
    x = 16,894.96

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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.