Home / 19,706.47-29,553.36-6,555.31

Finding the Fourth Proportional to 19,706.47, 29,553.36 and 6,555.31

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Solution

The fourth proportional to 19,706.47, 29,553.36 and 6,555.31 is: 9,830.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,706.47 : 29,553.36 = 6,555.31 : x
  2. Step 2: Convert to fraction form
    19,706.47/29,553.36 = 6,555.31/x
  3. Step 3: Cross multiply
    19,706.47x = 29,553.36 × 6,555.31
  4. Step 4: Simplify right side
    19,706.47x = 193,731,436.34
  5. Step 5: Solve for x
    x = 193,731,436.34/19,706.47
  6. Step 6: Final answer
    x = 9,830.85

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1.5x scale

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.