Home / 19,693.14-29,531.07-7,372.50

Finding the Fourth Proportional to 19,693.14, 29,531.07 and 7,372.50

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Solution

The fourth proportional to 19,693.14, 29,531.07 and 7,372.50 is: 11,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,693.14 : 29,531.07 = 7,372.50 : x
  2. Step 2: Convert to fraction form
    19,693.14/29,531.07 = 7,372.50/x
  3. Step 3: Cross multiply
    19,693.14x = 29,531.07 × 7,372.50
  4. Step 4: Simplify right side
    19,693.14x = 217,717,813.58
  5. Step 5: Solve for x
    x = 217,717,813.58/19,693.14
  6. Step 6: Final answer
    x = 11,055.52

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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.