Home / 13,259.63-19,889.45-3,399.00

Finding the Fourth Proportional to 13,259.63, 19,889.45 and 3,399.00

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Solution

The fourth proportional to 13,259.63, 19,889.45 and 3,399.00 is: 5,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.63 : 19,889.45 = 3,399.00 : x
  2. Step 2: Convert to fraction form
    13,259.63/19,889.45 = 3,399.00/x
  3. Step 3: Cross multiply
    13,259.63x = 19,889.45 × 3,399.00
  4. Step 4: Simplify right side
    13,259.63x = 67,604,161.72
  5. Step 5: Solve for x
    x = 67,604,161.72/13,259.63
  6. Step 6: Final answer
    x = 5,098.49

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Half scale
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Double scale
Find fourth proportional to 13,260.63, 19,890.95 and 3,400
Similar ratio
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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.