Home / 19,782.15-29,664.57-5,927.91

Finding the Fourth Proportional to 19,782.15, 29,664.57 and 5,927.91

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Solution

The fourth proportional to 19,782.15, 29,664.57 and 5,927.91 is: 8,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.15 : 29,664.57 = 5,927.91 : x
  2. Step 2: Convert to fraction form
    19,782.15/29,664.57 = 5,927.91/x
  3. Step 3: Cross multiply
    19,782.15x = 29,664.57 × 5,927.91
  4. Step 4: Simplify right side
    19,782.15x = 175,848,901.15
  5. Step 5: Solve for x
    x = 175,848,901.15/19,782.15
  6. Step 6: Final answer
    x = 8,889.27

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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.