Home / 13,693.83-20,551.14-9,240.96

Finding the Fourth Proportional to 13,693.83, 20,551.14 and 9,240.96

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Solution

The fourth proportional to 13,693.83, 20,551.14 and 9,240.96 is: 13,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693.83 : 20,551.14 = 9,240.96 : x
  2. Step 2: Convert to fraction form
    13,693.83/20,551.14 = 9,240.96/x
  3. Step 3: Cross multiply
    13,693.83x = 20,551.14 × 9,240.96
  4. Step 4: Simplify right side
    13,693.83x = 189,912,307.95
  5. Step 5: Solve for x
    x = 189,912,307.95/13,693.83
  6. Step 6: Final answer
    x = 13,868.45

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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.