Home / 19,536.36-29,315.04-12,965.64

Finding the Fourth Proportional to 19,536.36, 29,315.04 and 12,965.64

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Solution

The fourth proportional to 19,536.36, 29,315.04 and 12,965.64 is: 19,455.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,536.36 : 29,315.04 = 12,965.64 : x
  2. Step 2: Convert to fraction form
    19,536.36/29,315.04 = 12,965.64/x
  3. Step 3: Cross multiply
    19,536.36x = 29,315.04 × 12,965.64
  4. Step 4: Simplify right side
    19,536.36x = 380,088,255.23
  5. Step 5: Solve for x
    x = 380,088,255.23/19,536.36
  6. Step 6: Final answer
    x = 19,455.43

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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.