Home / 13,895.35-20,848.94-9,216.99

Finding the Fourth Proportional to 13,895.35, 20,848.94 and 9,216.99

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Solution

The fourth proportional to 13,895.35, 20,848.94 and 9,216.99 is: 13,829.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.35 : 20,848.94 = 9,216.99 : x
  2. Step 2: Convert to fraction form
    13,895.35/20,848.94 = 9,216.99/x
  3. Step 3: Cross multiply
    13,895.35x = 20,848.94 × 9,216.99
  4. Step 4: Simplify right side
    13,895.35x = 192,164,511.81
  5. Step 5: Solve for x
    x = 192,164,511.81/13,895.35
  6. Step 6: Final answer
    x = 13,829.41

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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.