Home / 19,675.08-29,513.34-7,988.04

Finding the Fourth Proportional to 19,675.08, 29,513.34 and 7,988.04

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Solution

The fourth proportional to 19,675.08, 29,513.34 and 7,988.04 is: 11,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.08 : 29,513.34 = 7,988.04 : x
  2. Step 2: Convert to fraction form
    19,675.08/29,513.34 = 7,988.04/x
  3. Step 3: Cross multiply
    19,675.08x = 29,513.34 × 7,988.04
  4. Step 4: Simplify right side
    19,675.08x = 235,753,740.45
  5. Step 5: Solve for x
    x = 235,753,740.45/19,675.08
  6. Step 6: Final answer
    x = 11,982.35

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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.