Home / 25,511.56-35,223.48-15,955.60

Finding the Fourth Proportional to 25,511.56, 35,223.48 and 15,955.60

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Solution

The fourth proportional to 25,511.56, 35,223.48 and 15,955.60 is: 22,029.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,511.56 : 35,223.48 = 15,955.60 : x
  2. Step 2: Convert to fraction form
    25,511.56/35,223.48 = 15,955.60/x
  3. Step 3: Cross multiply
    25,511.56x = 35,223.48 × 15,955.60
  4. Step 4: Simplify right side
    25,511.56x = 562,011,757.49
  5. Step 5: Solve for x
    x = 562,011,757.49/25,511.56
  6. Step 6: Final answer
    x = 22,029.69

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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.