Home / 35,396.16-53,103.44-13,209.71

Finding the Fourth Proportional to 35,396.16, 53,103.44 and 13,209.71

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Solution

The fourth proportional to 35,396.16, 53,103.44 and 13,209.71 is: 19,817.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,396.16 : 53,103.44 = 13,209.71 : x
  2. Step 2: Convert to fraction form
    35,396.16/53,103.44 = 13,209.71/x
  3. Step 3: Cross multiply
    35,396.16x = 53,103.44 × 13,209.71
  4. Step 4: Simplify right side
    35,396.16x = 701,480,760.37
  5. Step 5: Solve for x
    x = 701,480,760.37/35,396.16
  6. Step 6: Final answer
    x = 19,817.99

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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.