Home / 38,783.26-58,160.51-13,816.68

Finding the Fourth Proportional to 38,783.26, 58,160.51 and 13,816.68

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Solution

The fourth proportional to 38,783.26, 58,160.51 and 13,816.68 is: 20,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,783.26 : 58,160.51 = 13,816.68 : x
  2. Step 2: Convert to fraction form
    38,783.26/58,160.51 = 13,816.68/x
  3. Step 3: Cross multiply
    38,783.26x = 58,160.51 × 13,816.68
  4. Step 4: Simplify right side
    38,783.26x = 803,584,997.65
  5. Step 5: Solve for x
    x = 803,584,997.65/38,783.26
  6. Step 6: Final answer
    x = 20,719.90

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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.