Home / 13,175.51-19,763.27-5,384.31

Finding the Fourth Proportional to 13,175.51, 19,763.27 and 5,384.31

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Solution

The fourth proportional to 13,175.51, 19,763.27 and 5,384.31 is: 8,076.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.51 : 19,763.27 = 5,384.31 : x
  2. Step 2: Convert to fraction form
    13,175.51/19,763.27 = 5,384.31/x
  3. Step 3: Cross multiply
    13,175.51x = 19,763.27 × 5,384.31
  4. Step 4: Simplify right side
    13,175.51x = 106,411,545.37
  5. Step 5: Solve for x
    x = 106,411,545.37/13,175.51
  6. Step 6: Final answer
    x = 8,076.47

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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.