Home / 14,397.48-21,583.26-5,157

Finding the Fourth Proportional to 14,397.48, 21,583.26 and 5,157

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Solution

The fourth proportional to 14,397.48, 21,583.26 and 5,157 is: 7,730.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,397.48 : 21,583.26 = 5,157 : x
  2. Step 2: Convert to fraction form
    14,397.48/21,583.26 = 5,157/x
  3. Step 3: Cross multiply
    14,397.48x = 21,583.26 × 5,157
  4. Step 4: Simplify right side
    14,397.48x = 111,304,871.82
  5. Step 5: Solve for x
    x = 111,304,871.82/14,397.48
  6. Step 6: Final answer
    x = 7,730.86

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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.