Home / 22,190.61-30,626.04-14,125.07

Finding the Fourth Proportional to 22,190.61, 30,626.04 and 14,125.07

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Solution

The fourth proportional to 22,190.61, 30,626.04 and 14,125.07 is: 19,494.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190.61 : 30,626.04 = 14,125.07 : x
  2. Step 2: Convert to fraction form
    22,190.61/30,626.04 = 14,125.07/x
  3. Step 3: Cross multiply
    22,190.61x = 30,626.04 × 14,125.07
  4. Step 4: Simplify right side
    22,190.61x = 432,594,805.69
  5. Step 5: Solve for x
    x = 432,594,805.69/22,190.61
  6. Step 6: Final answer
    x = 19,494.50

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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.