Home / 15,534.29-21,422.48-10,441.31

Finding the Fourth Proportional to 15,534.29, 21,422.48 and 10,441.31

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Solution

The fourth proportional to 15,534.29, 21,422.48 and 10,441.31 is: 14,399.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,534.29 : 21,422.48 = 10,441.31 : x
  2. Step 2: Convert to fraction form
    15,534.29/21,422.48 = 10,441.31/x
  3. Step 3: Cross multiply
    15,534.29x = 21,422.48 × 10,441.31
  4. Step 4: Simplify right side
    15,534.29x = 223,678,702.44
  5. Step 5: Solve for x
    x = 223,678,702.44/15,534.29
  6. Step 6: Final answer
    x = 14,399.03

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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.