Home / 23,828.50-32,883.36-13,219.78

Finding the Fourth Proportional to 23,828.50, 32,883.36 and 13,219.78

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Solution

The fourth proportional to 23,828.50, 32,883.36 and 13,219.78 is: 18,243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,828.50 : 32,883.36 = 13,219.78 : x
  2. Step 2: Convert to fraction form
    23,828.50/32,883.36 = 13,219.78/x
  3. Step 3: Cross multiply
    23,828.50x = 32,883.36 × 13,219.78
  4. Step 4: Simplify right side
    23,828.50x = 434,710,784.86
  5. Step 5: Solve for x
    x = 434,710,784.86/23,828.50
  6. Step 6: Final answer
    x = 18,243.31

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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.