Home / 19,735.19-27,234.21-10,782.46

Finding the Fourth Proportional to 19,735.19, 27,234.21 and 10,782.46

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Solution

The fourth proportional to 19,735.19, 27,234.21 and 10,782.46 is: 14,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735.19 : 27,234.21 = 10,782.46 : x
  2. Step 2: Convert to fraction form
    19,735.19/27,234.21 = 10,782.46/x
  3. Step 3: Cross multiply
    19,735.19x = 27,234.21 × 10,782.46
  4. Step 4: Simplify right side
    19,735.19x = 293,651,779.96
  5. Step 5: Solve for x
    x = 293,651,779.96/19,735.19
  6. Step 6: Final answer
    x = 14,879.60

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.