Home / 17,513.28-26,246.88-7,119.36

Finding the Fourth Proportional to 17,513.28, 26,246.88 and 7,119.36

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Solution

The fourth proportional to 17,513.28, 26,246.88 and 7,119.36 is: 10,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,513.28 : 26,246.88 = 7,119.36 : x
  2. Step 2: Convert to fraction form
    17,513.28/26,246.88 = 7,119.36/x
  3. Step 3: Cross multiply
    17,513.28x = 26,246.88 × 7,119.36
  4. Step 4: Simplify right side
    17,513.28x = 186,860,987.60
  5. Step 5: Solve for x
    x = 186,860,987.60/17,513.28
  6. Step 6: Final answer
    x = 10,669.67

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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.