Home / 14,217.17-19,621.17-7,929.54

Finding the Fourth Proportional to 14,217.17, 19,621.17 and 7,929.54

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Solution

The fourth proportional to 14,217.17, 19,621.17 and 7,929.54 is: 10,943.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.17 : 19,621.17 = 7,929.54 : x
  2. Step 2: Convert to fraction form
    14,217.17/19,621.17 = 7,929.54/x
  3. Step 3: Cross multiply
    14,217.17x = 19,621.17 × 7,929.54
  4. Step 4: Simplify right side
    14,217.17x = 155,586,852.36
  5. Step 5: Solve for x
    x = 155,586,852.36/14,217.17
  6. Step 6: Final answer
    x = 10,943.59

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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.