Home / 25,422.37-38,134.36-8,783.35

Finding the Fourth Proportional to 25,422.37, 38,134.36 and 8,783.35

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Solution

The fourth proportional to 25,422.37, 38,134.36 and 8,783.35 is: 13,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,422.37 : 38,134.36 = 8,783.35 : x
  2. Step 2: Convert to fraction form
    25,422.37/38,134.36 = 8,783.35/x
  3. Step 3: Cross multiply
    25,422.37x = 38,134.36 × 8,783.35
  4. Step 4: Simplify right side
    25,422.37x = 334,947,430.91
  5. Step 5: Solve for x
    x = 334,947,430.91/25,422.37
  6. Step 6: Final answer
    x = 13,175.30

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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.