Home / 19,703.48-29,546.44-7,220.20

Finding the Fourth Proportional to 19,703.48, 29,546.44 and 7,220.20

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Solution

The fourth proportional to 19,703.48, 29,546.44 and 7,220.20 is: 10,827.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703.48 : 29,546.44 = 7,220.20 : x
  2. Step 2: Convert to fraction form
    19,703.48/29,546.44 = 7,220.20/x
  3. Step 3: Cross multiply
    19,703.48x = 29,546.44 × 7,220.20
  4. Step 4: Simplify right side
    19,703.48x = 213,331,206.09
  5. Step 5: Solve for x
    x = 213,331,206.09/19,703.48
  6. Step 6: Final answer
    x = 10,827.08

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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.