Home / 14,120.76-19,487.34-7,833.16

Finding the Fourth Proportional to 14,120.76, 19,487.34 and 7,833.16

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Solution

The fourth proportional to 14,120.76, 19,487.34 and 7,833.16 is: 10,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.76 : 19,487.34 = 7,833.16 : x
  2. Step 2: Convert to fraction form
    14,120.76/19,487.34 = 7,833.16/x
  3. Step 3: Cross multiply
    14,120.76x = 19,487.34 × 7,833.16
  4. Step 4: Simplify right side
    14,120.76x = 152,647,452.19
  5. Step 5: Solve for x
    x = 152,647,452.19/14,120.76
  6. Step 6: Final answer
    x = 10,810.14

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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.