Home / 17,965.12-26,931.07-9,180.67

Finding the Fourth Proportional to 17,965.12, 26,931.07 and 9,180.67

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Solution

The fourth proportional to 17,965.12, 26,931.07 and 9,180.67 is: 13,762.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,965.12 : 26,931.07 = 9,180.67 : x
  2. Step 2: Convert to fraction form
    17,965.12/26,931.07 = 9,180.67/x
  3. Step 3: Cross multiply
    17,965.12x = 26,931.07 × 9,180.67
  4. Step 4: Simplify right side
    17,965.12x = 247,245,220.51
  5. Step 5: Solve for x
    x = 247,245,220.51/17,965.12
  6. Step 6: Final answer
    x = 13,762.51

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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.