Home / 38,889.84-58,346.94-13,929.42

Finding the Fourth Proportional to 38,889.84, 58,346.94 and 13,929.42

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Solution

The fourth proportional to 38,889.84, 58,346.94 and 13,929.42 is: 20,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,889.84 : 58,346.94 = 13,929.42 : x
  2. Step 2: Convert to fraction form
    38,889.84/58,346.94 = 13,929.42/x
  3. Step 3: Cross multiply
    38,889.84x = 58,346.94 × 13,929.42
  4. Step 4: Simplify right side
    38,889.84x = 812,739,032.97
  5. Step 5: Solve for x
    x = 812,739,032.97/38,889.84
  6. Step 6: Final answer
    x = 20,898.49

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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.