Home / 14,111.20-19,474.19-7,823.98

Finding the Fourth Proportional to 14,111.20, 19,474.19 and 7,823.98

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Solution

The fourth proportional to 14,111.20, 19,474.19 and 7,823.98 is: 10,797.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,111.20 : 19,474.19 = 7,823.98 : x
  2. Step 2: Convert to fraction form
    14,111.20/19,474.19 = 7,823.98/x
  3. Step 3: Cross multiply
    14,111.20x = 19,474.19 × 7,823.98
  4. Step 4: Simplify right side
    14,111.20x = 152,365,673.08
  5. Step 5: Solve for x
    x = 152,365,673.08/14,111.20
  6. Step 6: Final answer
    x = 10,797.50

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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.