Home / 14,040.31-21,060.37-5,718.37

Finding the Fourth Proportional to 14,040.31, 21,060.37 and 5,718.37

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Solution

The fourth proportional to 14,040.31, 21,060.37 and 5,718.37 is: 8,577.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.31 : 21,060.37 = 5,718.37 : x
  2. Step 2: Convert to fraction form
    14,040.31/21,060.37 = 5,718.37/x
  3. Step 3: Cross multiply
    14,040.31x = 21,060.37 × 5,718.37
  4. Step 4: Simplify right side
    14,040.31x = 120,430,988.00
  5. Step 5: Solve for x
    x = 120,430,988.00/14,040.31
  6. Step 6: Final answer
    x = 8,577.52

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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.