Home / 25,459.45-38,175.30-8,818.10

Finding the Fourth Proportional to 25,459.45, 38,175.30 and 8,818.10

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Solution

The fourth proportional to 25,459.45, 38,175.30 and 8,818.10 is: 13,222.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,459.45 : 38,175.30 = 8,818.10 : x
  2. Step 2: Convert to fraction form
    25,459.45/38,175.30 = 8,818.10/x
  3. Step 3: Cross multiply
    25,459.45x = 38,175.30 × 8,818.10
  4. Step 4: Simplify right side
    25,459.45x = 336,633,565.21
  5. Step 5: Solve for x
    x = 336,633,565.21/25,459.45
  6. Step 6: Final answer
    x = 13,222.34

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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.