Home / 13,981.48-19,294.50-7,694.44

Finding the Fourth Proportional to 13,981.48, 19,294.50 and 7,694.44

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Solution

The fourth proportional to 13,981.48, 19,294.50 and 7,694.44 is: 10,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.48 : 19,294.50 = 7,694.44 : x
  2. Step 2: Convert to fraction form
    13,981.48/19,294.50 = 7,694.44/x
  3. Step 3: Cross multiply
    13,981.48x = 19,294.50 × 7,694.44
  4. Step 4: Simplify right side
    13,981.48x = 148,460,372.58
  5. Step 5: Solve for x
    x = 148,460,372.58/13,981.48
  6. Step 6: Final answer
    x = 10,618.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.