Home / 19,795.39-29,706.75-10,435.03

Finding the Fourth Proportional to 19,795.39, 29,706.75 and 10,435.03

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Solution

The fourth proportional to 19,795.39, 29,706.75 and 10,435.03 is: 15,659.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,795.39 : 29,706.75 = 10,435.03 : x
  2. Step 2: Convert to fraction form
    19,795.39/29,706.75 = 10,435.03/x
  3. Step 3: Cross multiply
    19,795.39x = 29,706.75 × 10,435.03
  4. Step 4: Simplify right side
    19,795.39x = 309,990,753.19
  5. Step 5: Solve for x
    x = 309,990,753.19/19,795.39
  6. Step 6: Final answer
    x = 15,659.75

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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.