Home / 13,294.51-19,946.30-8,358.37

Finding the Fourth Proportional to 13,294.51, 19,946.30 and 8,358.37

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Solution

The fourth proportional to 13,294.51, 19,946.30 and 8,358.37 is: 12,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.51 : 19,946.30 = 8,358.37 : x
  2. Step 2: Convert to fraction form
    13,294.51/19,946.30 = 8,358.37/x
  3. Step 3: Cross multiply
    13,294.51x = 19,946.30 × 8,358.37
  4. Step 4: Simplify right side
    13,294.51x = 166,718,555.53
  5. Step 5: Solve for x
    x = 166,718,555.53/13,294.51
  6. Step 6: Final answer
    x = 12,540.41

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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.