Home / 14,220.12-19,623.36-8,252.28

Finding the Fourth Proportional to 14,220.12, 19,623.36 and 8,252.28

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Solution

The fourth proportional to 14,220.12, 19,623.36 and 8,252.28 is: 11,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.12 : 19,623.36 = 8,252.28 : x
  2. Step 2: Convert to fraction form
    14,220.12/19,623.36 = 8,252.28/x
  3. Step 3: Cross multiply
    14,220.12x = 19,623.36 × 8,252.28
  4. Step 4: Simplify right side
    14,220.12x = 161,937,461.26
  5. Step 5: Solve for x
    x = 161,937,461.26/14,220.12
  6. Step 6: Final answer
    x = 11,387.91

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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.