Home / 15,656.09-21,605.90-8,582.94

Finding the Fourth Proportional to 15,656.09, 21,605.90 and 8,582.94

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Solution

The fourth proportional to 15,656.09, 21,605.90 and 8,582.94 is: 11,844.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,656.09 : 21,605.90 = 8,582.94 : x
  2. Step 2: Convert to fraction form
    15,656.09/21,605.90 = 8,582.94/x
  3. Step 3: Cross multiply
    15,656.09x = 21,605.90 × 8,582.94
  4. Step 4: Simplify right side
    15,656.09x = 185,442,100.43
  5. Step 5: Solve for x
    x = 185,442,100.43/15,656.09
  6. Step 6: Final answer
    x = 11,844.73

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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.