Home / 19,233.90-28,850.85-11,814.30

Finding the Fourth Proportional to 19,233.90, 28,850.85 and 11,814.30

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Solution

The fourth proportional to 19,233.90, 28,850.85 and 11,814.30 is: 17,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,233.90 : 28,850.85 = 11,814.30 : x
  2. Step 2: Convert to fraction form
    19,233.90/28,850.85 = 11,814.30/x
  3. Step 3: Cross multiply
    19,233.90x = 28,850.85 × 11,814.30
  4. Step 4: Simplify right side
    19,233.90x = 340,852,597.16
  5. Step 5: Solve for x
    x = 340,852,597.16/19,233.90
  6. Step 6: Final answer
    x = 17,721.45

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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.