Home / 19,615.13-29,426.34-6,468.43

Finding the Fourth Proportional to 19,615.13, 29,426.34 and 6,468.43

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Solution

The fourth proportional to 19,615.13, 29,426.34 and 6,468.43 is: 9,703.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.13 : 29,426.34 = 6,468.43 : x
  2. Step 2: Convert to fraction form
    19,615.13/29,426.34 = 6,468.43/x
  3. Step 3: Cross multiply
    19,615.13x = 29,426.34 × 6,468.43
  4. Step 4: Simplify right side
    19,615.13x = 190,342,220.45
  5. Step 5: Solve for x
    x = 190,342,220.45/19,615.13
  6. Step 6: Final answer
    x = 9,703.85

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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.