Home / 22,355.96-30,830.08-14,685.69

Finding the Fourth Proportional to 22,355.96, 30,830.08 and 14,685.69

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Solution

The fourth proportional to 22,355.96, 30,830.08 and 14,685.69 is: 20,252.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,355.96 : 30,830.08 = 14,685.69 : x
  2. Step 2: Convert to fraction form
    22,355.96/30,830.08 = 14,685.69/x
  3. Step 3: Cross multiply
    22,355.96x = 30,830.08 × 14,685.69
  4. Step 4: Simplify right side
    22,355.96x = 452,761,131.53
  5. Step 5: Solve for x
    x = 452,761,131.53/22,355.96
  6. Step 6: Final answer
    x = 20,252.37

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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.