Home / 29,828.76-41,165.70-19,739.80

Finding the Fourth Proportional to 29,828.76, 41,165.70 and 19,739.80

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Solution

The fourth proportional to 29,828.76, 41,165.70 and 19,739.80 is: 27,242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,828.76 : 41,165.70 = 19,739.80 : x
  2. Step 2: Convert to fraction form
    29,828.76/41,165.70 = 19,739.80/x
  3. Step 3: Cross multiply
    29,828.76x = 41,165.70 × 19,739.80
  4. Step 4: Simplify right side
    29,828.76x = 812,602,684.86
  5. Step 5: Solve for x
    x = 812,602,684.86/29,828.76
  6. Step 6: Final answer
    x = 27,242.25

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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.