Home / 25,415.24-38,124.54-8,776.88

Finding the Fourth Proportional to 25,415.24, 38,124.54 and 8,776.88

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Solution

The fourth proportional to 25,415.24, 38,124.54 and 8,776.88 is: 13,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,415.24 : 38,124.54 = 8,776.88 : x
  2. Step 2: Convert to fraction form
    25,415.24/38,124.54 = 8,776.88/x
  3. Step 3: Cross multiply
    25,415.24x = 38,124.54 × 8,776.88
  4. Step 4: Simplify right side
    25,415.24x = 334,614,512.64
  5. Step 5: Solve for x
    x = 334,614,512.64/25,415.24
  6. Step 6: Final answer
    x = 13,165.90

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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.