Home / 13,823.58-20,731.70-5,058.56

Finding the Fourth Proportional to 13,823.58, 20,731.70 and 5,058.56

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Solution

The fourth proportional to 13,823.58, 20,731.70 and 5,058.56 is: 7,586.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.58 : 20,731.70 = 5,058.56 : x
  2. Step 2: Convert to fraction form
    13,823.58/20,731.70 = 5,058.56/x
  3. Step 3: Cross multiply
    13,823.58x = 20,731.70 × 5,058.56
  4. Step 4: Simplify right side
    13,823.58x = 104,872,548.35
  5. Step 5: Solve for x
    x = 104,872,548.35/13,823.58
  6. Step 6: Final answer
    x = 7,586.50

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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.