Home / 19,818.88-29,726.79-7,333.05

Finding the Fourth Proportional to 19,818.88, 29,726.79 and 7,333.05

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Solution

The fourth proportional to 19,818.88, 29,726.79 and 7,333.05 is: 10,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.88 : 29,726.79 = 7,333.05 : x
  2. Step 2: Convert to fraction form
    19,818.88/29,726.79 = 7,333.05/x
  3. Step 3: Cross multiply
    19,818.88x = 29,726.79 × 7,333.05
  4. Step 4: Simplify right side
    19,818.88x = 217,987,888.78
  5. Step 5: Solve for x
    x = 217,987,888.78/19,818.88
  6. Step 6: Final answer
    x = 10,999.00

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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.