Home / 14,218.71-19,622.66-8,248.20

Finding the Fourth Proportional to 14,218.71, 19,622.66 and 8,248.20

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Solution

The fourth proportional to 14,218.71, 19,622.66 and 8,248.20 is: 11,383.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.71 : 19,622.66 = 8,248.20 : x
  2. Step 2: Convert to fraction form
    14,218.71/19,622.66 = 8,248.20/x
  3. Step 3: Cross multiply
    14,218.71x = 19,622.66 × 8,248.20
  4. Step 4: Simplify right side
    14,218.71x = 161,851,582.97
  5. Step 5: Solve for x
    x = 161,851,582.97/14,218.71
  6. Step 6: Final answer
    x = 11,383.00

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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.