Home / 17,913.42-26,859.20-7,380.18

Finding the Fourth Proportional to 17,913.42, 26,859.20 and 7,380.18

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Solution

The fourth proportional to 17,913.42, 26,859.20 and 7,380.18 is: 11,065.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913.42 : 26,859.20 = 7,380.18 : x
  2. Step 2: Convert to fraction form
    17,913.42/26,859.20 = 7,380.18/x
  3. Step 3: Cross multiply
    17,913.42x = 26,859.20 × 7,380.18
  4. Step 4: Simplify right side
    17,913.42x = 198,225,693.76
  5. Step 5: Solve for x
    x = 198,225,693.76/17,913.42
  6. Step 6: Final answer
    x = 11,065.76

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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.