Home / 14,696.33-20,280.93-7,981.97

Finding the Fourth Proportional to 14,696.33, 20,280.93 and 7,981.97

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Solution

The fourth proportional to 14,696.33, 20,280.93 and 7,981.97 is: 11,015.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,696.33 : 20,280.93 = 7,981.97 : x
  2. Step 2: Convert to fraction form
    14,696.33/20,280.93 = 7,981.97/x
  3. Step 3: Cross multiply
    14,696.33x = 20,280.93 × 7,981.97
  4. Step 4: Simplify right side
    14,696.33x = 161,881,774.83
  5. Step 5: Solve for x
    x = 161,881,774.83/14,696.33
  6. Step 6: Final answer
    x = 11,015.12

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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.