Home / 15,750.92-21,735.32-9,377.98

Finding the Fourth Proportional to 15,750.92, 21,735.32 and 9,377.98

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Solution

The fourth proportional to 15,750.92, 21,735.32 and 9,377.98 is: 12,941.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750.92 : 21,735.32 = 9,377.98 : x
  2. Step 2: Convert to fraction form
    15,750.92/21,735.32 = 9,377.98/x
  3. Step 3: Cross multiply
    15,750.92x = 21,735.32 × 9,377.98
  4. Step 4: Simplify right side
    15,750.92x = 203,833,396.25
  5. Step 5: Solve for x
    x = 203,833,396.25/15,750.92
  6. Step 6: Final answer
    x = 12,941.05

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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.