Home / 19,509.40-29,265.18-8,266.60

Finding the Fourth Proportional to 19,509.40, 29,265.18 and 8,266.60

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Solution

The fourth proportional to 19,509.40, 29,265.18 and 8,266.60 is: 12,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.40 : 29,265.18 = 8,266.60 : x
  2. Step 2: Convert to fraction form
    19,509.40/29,265.18 = 8,266.60/x
  3. Step 3: Cross multiply
    19,509.40x = 29,265.18 × 8,266.60
  4. Step 4: Simplify right side
    19,509.40x = 241,923,536.99
  5. Step 5: Solve for x
    x = 241,923,536.99/19,509.40
  6. Step 6: Final answer
    x = 12,400.36

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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.