Home / 19,436.98-29,159.80-6,289.06

Finding the Fourth Proportional to 19,436.98, 29,159.80 and 6,289.06

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Solution

The fourth proportional to 19,436.98, 29,159.80 and 6,289.06 is: 9,434.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.98 : 29,159.80 = 6,289.06 : x
  2. Step 2: Convert to fraction form
    19,436.98/29,159.80 = 6,289.06/x
  3. Step 3: Cross multiply
    19,436.98x = 29,159.80 × 6,289.06
  4. Step 4: Simplify right side
    19,436.98x = 183,387,731.79
  5. Step 5: Solve for x
    x = 183,387,731.79/19,436.98
  6. Step 6: Final answer
    x = 9,434.99

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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.