Home / 14,631.44-20,191.24-7,916.92

Finding the Fourth Proportional to 14,631.44, 20,191.24 and 7,916.92

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Solution

The fourth proportional to 14,631.44, 20,191.24 and 7,916.92 is: 10,925.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.44 : 20,191.24 = 7,916.92 : x
  2. Step 2: Convert to fraction form
    14,631.44/20,191.24 = 7,916.92/x
  3. Step 3: Cross multiply
    14,631.44x = 20,191.24 × 7,916.92
  4. Step 4: Simplify right side
    14,631.44x = 159,852,392.20
  5. Step 5: Solve for x
    x = 159,852,392.20/14,631.44
  6. Step 6: Final answer
    x = 10,925.27

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Double scale
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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.