Home / 21,782.48-30,050.87-14,226.19

Finding the Fourth Proportional to 21,782.48, 30,050.87 and 14,226.19

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Solution

The fourth proportional to 21,782.48, 30,050.87 and 14,226.19 is: 19,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,782.48 : 30,050.87 = 14,226.19 : x
  2. Step 2: Convert to fraction form
    21,782.48/30,050.87 = 14,226.19/x
  3. Step 3: Cross multiply
    21,782.48x = 30,050.87 × 14,226.19
  4. Step 4: Simplify right side
    21,782.48x = 427,509,240.03
  5. Step 5: Solve for x
    x = 427,509,240.03/21,782.48
  6. Step 6: Final answer
    x = 19,626.29

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Half scale
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Double 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.