Home / 19,133.88-28,695.24-7,444.32

Finding the Fourth Proportional to 19,133.88, 28,695.24 and 7,444.32

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Solution

The fourth proportional to 19,133.88, 28,695.24 and 7,444.32 is: 11,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.88 : 28,695.24 = 7,444.32 : x
  2. Step 2: Convert to fraction form
    19,133.88/28,695.24 = 7,444.32/x
  3. Step 3: Cross multiply
    19,133.88x = 28,695.24 × 7,444.32
  4. Step 4: Simplify right side
    19,133.88x = 213,616,549.04
  5. Step 5: Solve for x
    x = 213,616,549.04/19,133.88
  6. Step 6: Final answer
    x = 11,164.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.