Home / 15,832.31-21,858.54-10,169.34

Finding the Fourth Proportional to 15,832.31, 21,858.54 and 10,169.34

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Solution

The fourth proportional to 15,832.31, 21,858.54 and 10,169.34 is: 14,040.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,832.31 : 21,858.54 = 10,169.34 : x
  2. Step 2: Convert to fraction form
    15,832.31/21,858.54 = 10,169.34/x
  3. Step 3: Cross multiply
    15,832.31x = 21,858.54 × 10,169.34
  4. Step 4: Simplify right side
    15,832.31x = 222,286,925.16
  5. Step 5: Solve for x
    x = 222,286,925.16/15,832.31
  6. Step 6: Final answer
    x = 14,040.08

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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.