Home / 19,220.48-28,805.60-9,852.56

Finding the Fourth Proportional to 19,220.48, 28,805.60 and 9,852.56

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Solution

The fourth proportional to 19,220.48, 28,805.60 and 9,852.56 is: 14,765.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.48 : 28,805.60 = 9,852.56 : x
  2. Step 2: Convert to fraction form
    19,220.48/28,805.60 = 9,852.56/x
  3. Step 3: Cross multiply
    19,220.48x = 28,805.60 × 9,852.56
  4. Step 4: Simplify right side
    19,220.48x = 283,808,902.34
  5. Step 5: Solve for x
    x = 283,808,902.34/19,220.48
  6. Step 6: Final answer
    x = 14,765.96

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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.