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Finding the Fourth Proportional to 14,862.06, 20,510.04 and 8,148

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Solution

The fourth proportional to 14,862.06, 20,510.04 and 8,148 is: 11,244.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.06 : 20,510.04 = 8,148 : x
  2. Step 2: Convert to fraction form
    14,862.06/20,510.04 = 8,148/x
  3. Step 3: Cross multiply
    14,862.06x = 20,510.04 × 8,148
  4. Step 4: Simplify right side
    14,862.06x = 167,115,805.92
  5. Step 5: Solve for x
    x = 167,115,805.92/14,862.06
  6. Step 6: Final answer
    x = 11,244.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.