Home / 23,065.64-34,575.98-11,820.99

Finding the Fourth Proportional to 23,065.64, 34,575.98 and 11,820.99

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Solution

The fourth proportional to 23,065.64, 34,575.98 and 11,820.99 is: 17,719.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,065.64 : 34,575.98 = 11,820.99 : x
  2. Step 2: Convert to fraction form
    23,065.64/34,575.98 = 11,820.99/x
  3. Step 3: Cross multiply
    23,065.64x = 34,575.98 × 11,820.99
  4. Step 4: Simplify right side
    23,065.64x = 408,722,254.72
  5. Step 5: Solve for x
    x = 408,722,254.72/23,065.64
  6. Step 6: Final answer
    x = 17,719.97

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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.