Home / 15,975.33-22,038.58-9,996.62

Finding the Fourth Proportional to 15,975.33, 22,038.58 and 9,996.62

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Solution

The fourth proportional to 15,975.33, 22,038.58 and 9,996.62 is: 13,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,975.33 : 22,038.58 = 9,996.62 : x
  2. Step 2: Convert to fraction form
    15,975.33/22,038.58 = 9,996.62/x
  3. Step 3: Cross multiply
    15,975.33x = 22,038.58 × 9,996.62
  4. Step 4: Simplify right side
    15,975.33x = 220,311,211.90
  5. Step 5: Solve for x
    x = 220,311,211.90/15,975.33
  6. Step 6: Final answer
    x = 13,790.72

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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.