Home / 13,969.35-20,953.62-5,204.34

Finding the Fourth Proportional to 13,969.35, 20,953.62 and 5,204.34

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Solution

The fourth proportional to 13,969.35, 20,953.62 and 5,204.34 is: 7,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.35 : 20,953.62 = 5,204.34 : x
  2. Step 2: Convert to fraction form
    13,969.35/20,953.62 = 5,204.34/x
  3. Step 3: Cross multiply
    13,969.35x = 20,953.62 × 5,204.34
  4. Step 4: Simplify right side
    13,969.35x = 109,049,762.71
  5. Step 5: Solve for x
    x = 109,049,762.71/13,969.35
  6. Step 6: Final answer
    x = 7,806.36

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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.