Home / 22,031.80-30,392.62-14,065.65

Finding the Fourth Proportional to 22,031.80, 30,392.62 and 14,065.65

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Solution

The fourth proportional to 22,031.80, 30,392.62 and 14,065.65 is: 19,403.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031.80 : 30,392.62 = 14,065.65 : x
  2. Step 2: Convert to fraction form
    22,031.80/30,392.62 = 14,065.65/x
  3. Step 3: Cross multiply
    22,031.80x = 30,392.62 × 14,065.65
  4. Step 4: Simplify right side
    22,031.80x = 427,491,920.34
  5. Step 5: Solve for x
    x = 427,491,920.34/22,031.80
  6. Step 6: Final answer
    x = 19,403.41

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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.