Home / 15,499.79-23,249.07-6,611.45

Finding the Fourth Proportional to 15,499.79, 23,249.07 and 6,611.45

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Solution

The fourth proportional to 15,499.79, 23,249.07 and 6,611.45 is: 9,916.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499.79 : 23,249.07 = 6,611.45 : x
  2. Step 2: Convert to fraction form
    15,499.79/23,249.07 = 6,611.45/x
  3. Step 3: Cross multiply
    15,499.79x = 23,249.07 × 6,611.45
  4. Step 4: Simplify right side
    15,499.79x = 153,710,063.85
  5. Step 5: Solve for x
    x = 153,710,063.85/15,499.79
  6. Step 6: Final answer
    x = 9,916.91

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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.