Home / 22,291.40-30,772.03-14,235.62

Finding the Fourth Proportional to 22,291.40, 30,772.03 and 14,235.62

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Solution

The fourth proportional to 22,291.40, 30,772.03 and 14,235.62 is: 19,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,291.40 : 30,772.03 = 14,235.62 : x
  2. Step 2: Convert to fraction form
    22,291.40/30,772.03 = 14,235.62/x
  3. Step 3: Cross multiply
    22,291.40x = 30,772.03 × 14,235.62
  4. Step 4: Simplify right side
    22,291.40x = 438,058,771.85
  5. Step 5: Solve for x
    x = 438,058,771.85/22,291.40
  6. Step 6: Final answer
    x = 19,651.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.