Home / 14,220.14-19,623.20-8,252.06

Finding the Fourth Proportional to 14,220.14, 19,623.20 and 8,252.06

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Solution

The fourth proportional to 14,220.14, 19,623.20 and 8,252.06 is: 11,387.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.14 : 19,623.20 = 8,252.06 : x
  2. Step 2: Convert to fraction form
    14,220.14/19,623.20 = 8,252.06/x
  3. Step 3: Cross multiply
    14,220.14x = 19,623.20 × 8,252.06
  4. Step 4: Simplify right side
    14,220.14x = 161,931,823.79
  5. Step 5: Solve for x
    x = 161,931,823.79/14,220.14
  6. Step 6: Final answer
    x = 11,387.50

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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.