Home / 17,175.40-23,703.56-9,621.61

Finding the Fourth Proportional to 17,175.40, 23,703.56 and 9,621.61

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Solution

The fourth proportional to 17,175.40, 23,703.56 and 9,621.61 is: 13,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,175.40 : 23,703.56 = 9,621.61 : x
  2. Step 2: Convert to fraction form
    17,175.40/23,703.56 = 9,621.61/x
  3. Step 3: Cross multiply
    17,175.40x = 23,703.56 × 9,621.61
  4. Step 4: Simplify right side
    17,175.40x = 228,066,409.93
  5. Step 5: Solve for x
    x = 228,066,409.93/17,175.40
  6. Step 6: Final answer
    x = 13,278.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.