Home / 14,630.94-20,190.76-7,916.62

Finding the Fourth Proportional to 14,630.94, 20,190.76 and 7,916.62

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Solution

The fourth proportional to 14,630.94, 20,190.76 and 7,916.62 is: 10,924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,630.94 : 20,190.76 = 7,916.62 : x
  2. Step 2: Convert to fraction form
    14,630.94/20,190.76 = 7,916.62/x
  3. Step 3: Cross multiply
    14,630.94x = 20,190.76 × 7,916.62
  4. Step 4: Simplify right side
    14,630.94x = 159,842,574.43
  5. Step 5: Solve for x
    x = 159,842,574.43/14,630.94
  6. Step 6: Final answer
    x = 10,924.97

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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.