Home / 14,422.23-19,887.30-11,392.02

Finding the Fourth Proportional to 14,422.23, 19,887.30 and 11,392.02

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Solution

The fourth proportional to 14,422.23, 19,887.30 and 11,392.02 is: 15,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.23 : 19,887.30 = 11,392.02 : x
  2. Step 2: Convert to fraction form
    14,422.23/19,887.30 = 11,392.02/x
  3. Step 3: Cross multiply
    14,422.23x = 19,887.30 × 11,392.02
  4. Step 4: Simplify right side
    14,422.23x = 226,556,519.35
  5. Step 5: Solve for x
    x = 226,556,519.35/14,422.23
  6. Step 6: Final answer
    x = 15,708.84

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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.