Home / 14,696.04-20,280.48-7,981.62

Finding the Fourth Proportional to 14,696.04, 20,280.48 and 7,981.62

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Solution

The fourth proportional to 14,696.04, 20,280.48 and 7,981.62 is: 11,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,696.04 : 20,280.48 = 7,981.62 : x
  2. Step 2: Convert to fraction form
    14,696.04/20,280.48 = 7,981.62/x
  3. Step 3: Cross multiply
    14,696.04x = 20,280.48 × 7,981.62
  4. Step 4: Simplify right side
    14,696.04x = 161,870,978.79
  5. Step 5: Solve for x
    x = 161,870,978.79/14,696.04
  6. Step 6: Final answer
    x = 11,014.60

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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.