Home / 21,795.73-32,698.77-11,810.46

Finding the Fourth Proportional to 21,795.73, 32,698.77 and 11,810.46

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Solution

The fourth proportional to 21,795.73, 32,698.77 and 11,810.46 is: 17,718.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,795.73 : 32,698.77 = 11,810.46 : x
  2. Step 2: Convert to fraction form
    21,795.73/32,698.77 = 11,810.46/x
  3. Step 3: Cross multiply
    21,795.73x = 32,698.77 × 11,810.46
  4. Step 4: Simplify right side
    21,795.73x = 386,187,515.13
  5. Step 5: Solve for x
    x = 386,187,515.13/21,795.73
  6. Step 6: Final answer
    x = 17,718.49

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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.