Home / 13,308.20-19,946.10-5,904.80

Finding the Fourth Proportional to 13,308.20, 19,946.10 and 5,904.80

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Solution

The fourth proportional to 13,308.20, 19,946.10 and 5,904.80 is: 8,850.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.20 : 19,946.10 = 5,904.80 : x
  2. Step 2: Convert to fraction form
    13,308.20/19,946.10 = 5,904.80/x
  3. Step 3: Cross multiply
    13,308.20x = 19,946.10 × 5,904.80
  4. Step 4: Simplify right side
    13,308.20x = 117,777,731.28
  5. Step 5: Solve for x
    x = 117,777,731.28/13,308.20
  6. Step 6: Final answer
    x = 8,850.01

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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.