Home / 15,136.80-22,705.20-9,596.40

Finding the Fourth Proportional to 15,136.80, 22,705.20 and 9,596.40

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Solution

The fourth proportional to 15,136.80, 22,705.20 and 9,596.40 is: 14,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.80 : 22,705.20 = 9,596.40 : x
  2. Step 2: Convert to fraction form
    15,136.80/22,705.20 = 9,596.40/x
  3. Step 3: Cross multiply
    15,136.80x = 22,705.20 × 9,596.40
  4. Step 4: Simplify right side
    15,136.80x = 217,888,181.28
  5. Step 5: Solve for x
    x = 217,888,181.28/15,136.80
  6. Step 6: Final answer
    x = 14,394.60

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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.