Home / 55,347.42-83,012.21-15,895.56

Finding the Fourth Proportional to 55,347.42, 83,012.21 and 15,895.56

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Solution

The fourth proportional to 55,347.42, 83,012.21 and 15,895.56 is: 23,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,347.42 : 83,012.21 = 15,895.56 : x
  2. Step 2: Convert to fraction form
    55,347.42/83,012.21 = 15,895.56/x
  3. Step 3: Cross multiply
    55,347.42x = 83,012.21 × 15,895.56
  4. Step 4: Simplify right side
    55,347.42x = 1,319,525,485.31
  5. Step 5: Solve for x
    x = 1,319,525,485.31/55,347.42
  6. Step 6: Final answer
    x = 23,840.78

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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.