Home / 15,840.83-21,858.18-9,466.07

Finding the Fourth Proportional to 15,840.83, 21,858.18 and 9,466.07

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Solution

The fourth proportional to 15,840.83, 21,858.18 and 9,466.07 is: 13,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840.83 : 21,858.18 = 9,466.07 : x
  2. Step 2: Convert to fraction form
    15,840.83/21,858.18 = 9,466.07/x
  3. Step 3: Cross multiply
    15,840.83x = 21,858.18 × 9,466.07
  4. Step 4: Simplify right side
    15,840.83x = 206,910,952.66
  5. Step 5: Solve for x
    x = 206,910,952.66/15,840.83
  6. Step 6: Final answer
    x = 13,061.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.