Home / 15,706.08-23,560.56-7,909.92

Finding the Fourth Proportional to 15,706.08, 23,560.56 and 7,909.92

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Solution

The fourth proportional to 15,706.08, 23,560.56 and 7,909.92 is: 11,865.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,706.08 : 23,560.56 = 7,909.92 : x
  2. Step 2: Convert to fraction form
    15,706.08/23,560.56 = 7,909.92/x
  3. Step 3: Cross multiply
    15,706.08x = 23,560.56 × 7,909.92
  4. Step 4: Simplify right side
    15,706.08x = 186,362,144.76
  5. Step 5: Solve for x
    x = 186,362,144.76/15,706.08
  6. Step 6: Final answer
    x = 11,865.61

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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.