Home / 13,823.23-19,076.47-8,446.56

Finding the Fourth Proportional to 13,823.23, 19,076.47 and 8,446.56

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Solution

The fourth proportional to 13,823.23, 19,076.47 and 8,446.56 is: 11,656.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.23 : 19,076.47 = 8,446.56 : x
  2. Step 2: Convert to fraction form
    13,823.23/19,076.47 = 8,446.56/x
  3. Step 3: Cross multiply
    13,823.23x = 19,076.47 × 8,446.56
  4. Step 4: Simplify right side
    13,823.23x = 161,130,548.44
  5. Step 5: Solve for x
    x = 161,130,548.44/13,823.23
  6. Step 6: Final answer
    x = 11,656.50

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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.