Home / 13,173.57-19,760.24-5,376.91

Finding the Fourth Proportional to 13,173.57, 19,760.24 and 5,376.91

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Solution

The fourth proportional to 13,173.57, 19,760.24 and 5,376.91 is: 8,065.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.57 : 19,760.24 = 5,376.91 : x
  2. Step 2: Convert to fraction form
    13,173.57/19,760.24 = 5,376.91/x
  3. Step 3: Cross multiply
    13,173.57x = 19,760.24 × 5,376.91
  4. Step 4: Simplify right side
    13,173.57x = 106,249,032.06
  5. Step 5: Solve for x
    x = 106,249,032.06/13,173.57
  6. Step 6: Final answer
    x = 8,065.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.