Home / 15,639.33-21,582.27-8,566.00

Finding the Fourth Proportional to 15,639.33, 21,582.27 and 8,566.00

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Solution

The fourth proportional to 15,639.33, 21,582.27 and 8,566.00 is: 11,821.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.33 : 21,582.27 = 8,566.00 : x
  2. Step 2: Convert to fraction form
    15,639.33/21,582.27 = 8,566.00/x
  3. Step 3: Cross multiply
    15,639.33x = 21,582.27 × 8,566.00
  4. Step 4: Simplify right side
    15,639.33x = 184,873,816.36
  5. Step 5: Solve for x
    x = 184,873,816.36/15,639.33
  6. Step 6: Final answer
    x = 11,821.08

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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.