Home / 17,811.04-26,716.56-7,415.50

Finding the Fourth Proportional to 17,811.04, 26,716.56 and 7,415.50

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Solution

The fourth proportional to 17,811.04, 26,716.56 and 7,415.50 is: 11,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.04 : 26,716.56 = 7,415.50 : x
  2. Step 2: Convert to fraction form
    17,811.04/26,716.56 = 7,415.50/x
  3. Step 3: Cross multiply
    17,811.04x = 26,716.56 × 7,415.50
  4. Step 4: Simplify right side
    17,811.04x = 198,116,650.68
  5. Step 5: Solve for x
    x = 198,116,650.68/17,811.04
  6. Step 6: Final answer
    x = 11,123.25

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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.