Home / 19,416.40-29,080.86-11,608.84

Finding the Fourth Proportional to 19,416.40, 29,080.86 and 11,608.84

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Solution

The fourth proportional to 19,416.40, 29,080.86 and 11,608.84 is: 17,387.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,416.40 : 29,080.86 = 11,608.84 : x
  2. Step 2: Convert to fraction form
    19,416.40/29,080.86 = 11,608.84/x
  3. Step 3: Cross multiply
    19,416.40x = 29,080.86 × 11,608.84
  4. Step 4: Simplify right side
    19,416.40x = 337,595,050.80
  5. Step 5: Solve for x
    x = 337,595,050.80/19,416.40
  6. Step 6: Final answer
    x = 17,387.11

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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.