Home / 14,780.74-22,172.31-4,392.50

Finding the Fourth Proportional to 14,780.74, 22,172.31 and 4,392.50

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Solution

The fourth proportional to 14,780.74, 22,172.31 and 4,392.50 is: 6,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,780.74 : 22,172.31 = 4,392.50 : x
  2. Step 2: Convert to fraction form
    14,780.74/22,172.31 = 4,392.50/x
  3. Step 3: Cross multiply
    14,780.74x = 22,172.31 × 4,392.50
  4. Step 4: Simplify right side
    14,780.74x = 97,391,871.68
  5. Step 5: Solve for x
    x = 97,391,871.68/14,780.74
  6. Step 6: Final answer
    x = 6,589.11

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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.