Home / 19,682.40-29,520.48-6,532.80

Finding the Fourth Proportional to 19,682.40, 29,520.48 and 6,532.80

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Solution

The fourth proportional to 19,682.40, 29,520.48 and 6,532.80 is: 9,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.40 : 29,520.48 = 6,532.80 : x
  2. Step 2: Convert to fraction form
    19,682.40/29,520.48 = 6,532.80/x
  3. Step 3: Cross multiply
    19,682.40x = 29,520.48 × 6,532.80
  4. Step 4: Simplify right side
    19,682.40x = 192,851,391.74
  5. Step 5: Solve for x
    x = 192,851,391.74/19,682.40
  6. Step 6: Final answer
    x = 9,798.16

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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.