Home / 17,911.48-24,718.68-9,953.77

Finding the Fourth Proportional to 17,911.48, 24,718.68 and 9,953.77

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Solution

The fourth proportional to 17,911.48, 24,718.68 and 9,953.77 is: 13,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.48 : 24,718.68 = 9,953.77 : x
  2. Step 2: Convert to fraction form
    17,911.48/24,718.68 = 9,953.77/x
  3. Step 3: Cross multiply
    17,911.48x = 24,718.68 × 9,953.77
  4. Step 4: Simplify right side
    17,911.48x = 246,043,993.63
  5. Step 5: Solve for x
    x = 246,043,993.63/17,911.48
  6. Step 6: Final answer
    x = 13,736.67

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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.