Home / 35,682.21-53,534.13-13,502.40

Finding the Fourth Proportional to 35,682.21, 53,534.13 and 13,502.40

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Solution

The fourth proportional to 35,682.21, 53,534.13 and 13,502.40 is: 20,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,682.21 : 53,534.13 = 13,502.40 : x
  2. Step 2: Convert to fraction form
    35,682.21/53,534.13 = 13,502.40/x
  3. Step 3: Cross multiply
    35,682.21x = 53,534.13 × 13,502.40
  4. Step 4: Simplify right side
    35,682.21x = 722,839,236.91
  5. Step 5: Solve for x
    x = 722,839,236.91/35,682.21
  6. Step 6: Final answer
    x = 20,257.69

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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.