Home / 15,620.48-21,566.94-11,588.36

Finding the Fourth Proportional to 15,620.48, 21,566.94 and 11,588.36

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Solution

The fourth proportional to 15,620.48, 21,566.94 and 11,588.36 is: 15,999.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620.48 : 21,566.94 = 11,588.36 : x
  2. Step 2: Convert to fraction form
    15,620.48/21,566.94 = 11,588.36/x
  3. Step 3: Cross multiply
    15,620.48x = 21,566.94 × 11,588.36
  4. Step 4: Simplify right side
    15,620.48x = 249,925,464.82
  5. Step 5: Solve for x
    x = 249,925,464.82/15,620.48
  6. Step 6: Final answer
    x = 15,999.86

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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.