Home / 19,636.48-29,462.54-7,157.35

Finding the Fourth Proportional to 19,636.48, 29,462.54 and 7,157.35

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Solution

The fourth proportional to 19,636.48, 29,462.54 and 7,157.35 is: 10,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.48 : 29,462.54 = 7,157.35 : x
  2. Step 2: Convert to fraction form
    19,636.48/29,462.54 = 7,157.35/x
  3. Step 3: Cross multiply
    19,636.48x = 29,462.54 × 7,157.35
  4. Step 4: Simplify right side
    19,636.48x = 210,873,710.67
  5. Step 5: Solve for x
    x = 210,873,710.67/19,636.48
  6. Step 6: Final answer
    x = 10,738.88

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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.