Home / 21,539.77-32,346.56-11,698.27

Finding the Fourth Proportional to 21,539.77, 32,346.56 and 11,698.27

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Solution

The fourth proportional to 21,539.77, 32,346.56 and 11,698.27 is: 17,567.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,539.77 : 32,346.56 = 11,698.27 : x
  2. Step 2: Convert to fraction form
    21,539.77/32,346.56 = 11,698.27/x
  3. Step 3: Cross multiply
    21,539.77x = 32,346.56 × 11,698.27
  4. Step 4: Simplify right side
    21,539.77x = 378,398,792.45
  5. Step 5: Solve for x
    x = 378,398,792.45/21,539.77
  6. Step 6: Final answer
    x = 17,567.45

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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.