Home / 17,503.75-26,266.56-7,115.50

Finding the Fourth Proportional to 17,503.75, 26,266.56 and 7,115.50

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Solution

The fourth proportional to 17,503.75, 26,266.56 and 7,115.50 is: 10,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,503.75 : 26,266.56 = 7,115.50 : x
  2. Step 2: Convert to fraction form
    17,503.75/26,266.56 = 7,115.50/x
  3. Step 3: Cross multiply
    17,503.75x = 26,266.56 × 7,115.50
  4. Step 4: Simplify right side
    17,503.75x = 186,899,707.68
  5. Step 5: Solve for x
    x = 186,899,707.68/17,503.75
  6. Step 6: Final answer
    x = 10,677.70

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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.