Home / 14,189.75-19,549.25-11,204.50

Finding the Fourth Proportional to 14,189.75, 19,549.25 and 11,204.50

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Solution

The fourth proportional to 14,189.75, 19,549.25 and 11,204.50 is: 15,436.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.75 : 19,549.25 = 11,204.50 : x
  2. Step 2: Convert to fraction form
    14,189.75/19,549.25 = 11,204.50/x
  3. Step 3: Cross multiply
    14,189.75x = 19,549.25 × 11,204.50
  4. Step 4: Simplify right side
    14,189.75x = 219,039,501.89
  5. Step 5: Solve for x
    x = 219,039,501.89/14,189.75
  6. Step 6: Final answer
    x = 15,436.46

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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.