Home / 19,566.72-27,008.64-11,191.68

Finding the Fourth Proportional to 19,566.72, 27,008.64 and 11,191.68

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Solution

The fourth proportional to 19,566.72, 27,008.64 and 11,191.68 is: 15,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,566.72 : 27,008.64 = 11,191.68 : x
  2. Step 2: Convert to fraction form
    19,566.72/27,008.64 = 11,191.68/x
  3. Step 3: Cross multiply
    19,566.72x = 27,008.64 × 11,191.68
  4. Step 4: Simplify right side
    19,566.72x = 302,272,056.12
  5. Step 5: Solve for x
    x = 302,272,056.12/19,566.72
  6. Step 6: Final answer
    x = 15,448.27

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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.