Home / 13,939.96-19,237.26-7,652.28

Finding the Fourth Proportional to 13,939.96, 19,237.26 and 7,652.28

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Solution

The fourth proportional to 13,939.96, 19,237.26 and 7,652.28 is: 10,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.96 : 19,237.26 = 7,652.28 : x
  2. Step 2: Convert to fraction form
    13,939.96/19,237.26 = 7,652.28/x
  3. Step 3: Cross multiply
    13,939.96x = 19,237.26 × 7,652.28
  4. Step 4: Simplify right side
    13,939.96x = 147,208,899.95
  5. Step 5: Solve for x
    x = 147,208,899.95/13,939.96
  6. Step 6: Final answer
    x = 10,560.21

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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.