Home / 14,997.47-20,696.40-8,282.95

Finding the Fourth Proportional to 14,997.47, 20,696.40 and 8,282.95

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Solution

The fourth proportional to 14,997.47, 20,696.40 and 8,282.95 is: 11,430.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997.47 : 20,696.40 = 8,282.95 : x
  2. Step 2: Convert to fraction form
    14,997.47/20,696.40 = 8,282.95/x
  3. Step 3: Cross multiply
    14,997.47x = 20,696.40 × 8,282.95
  4. Step 4: Simplify right side
    14,997.47x = 171,427,194.64
  5. Step 5: Solve for x
    x = 171,427,194.64/14,997.47
  6. Step 6: Final answer
    x = 11,430.41

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1.5x scale

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.