Home / 25,629.12-35,370.54-15,560.16

Finding the Fourth Proportional to 25,629.12, 35,370.54 and 15,560.16

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Solution

The fourth proportional to 25,629.12, 35,370.54 and 15,560.16 is: 21,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,629.12 : 35,370.54 = 15,560.16 : x
  2. Step 2: Convert to fraction form
    25,629.12/35,370.54 = 15,560.16/x
  3. Step 3: Cross multiply
    25,629.12x = 35,370.54 × 15,560.16
  4. Step 4: Simplify right side
    25,629.12x = 550,371,261.69
  5. Step 5: Solve for x
    x = 550,371,261.69/25,629.12
  6. Step 6: Final answer
    x = 21,474.45

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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.