Home / 22,136.73-30,547.31-12,200.73

Finding the Fourth Proportional to 22,136.73, 30,547.31 and 12,200.73

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Solution

The fourth proportional to 22,136.73, 30,547.31 and 12,200.73 is: 16,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,136.73 : 30,547.31 = 12,200.73 : x
  2. Step 2: Convert to fraction form
    22,136.73/30,547.31 = 12,200.73/x
  3. Step 3: Cross multiply
    22,136.73x = 30,547.31 × 12,200.73
  4. Step 4: Simplify right side
    22,136.73x = 372,699,420.53
  5. Step 5: Solve for x
    x = 372,699,420.53/22,136.73
  6. Step 6: Final answer
    x = 16,836.25

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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.