Home / 19,636.34-29,462.36-7,157.25

Finding the Fourth Proportional to 19,636.34, 29,462.36 and 7,157.25

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Solution

The fourth proportional to 19,636.34, 29,462.36 and 7,157.25 is: 10,738.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.34 : 29,462.36 = 7,157.25 : x
  2. Step 2: Convert to fraction form
    19,636.34/29,462.36 = 7,157.25/x
  3. Step 3: Cross multiply
    19,636.34x = 29,462.36 × 7,157.25
  4. Step 4: Simplify right side
    19,636.34x = 210,869,440.32
  5. Step 5: Solve for x
    x = 210,869,440.32/19,636.34
  6. Step 6: Final answer
    x = 10,738.74

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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.