Home / 22,170.65-30,589.95-14,223.63

Finding the Fourth Proportional to 22,170.65, 30,589.95 and 14,223.63

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Solution

The fourth proportional to 22,170.65, 30,589.95 and 14,223.63 is: 19,625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.65 : 30,589.95 = 14,223.63 : x
  2. Step 2: Convert to fraction form
    22,170.65/30,589.95 = 14,223.63/x
  3. Step 3: Cross multiply
    22,170.65x = 30,589.95 × 14,223.63
  4. Step 4: Simplify right side
    22,170.65x = 435,100,298.57
  5. Step 5: Solve for x
    x = 435,100,298.57/22,170.65
  6. Step 6: Final answer
    x = 19,625.06

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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.