Home / 23,476.79-32,396.37-13,405.64

Finding the Fourth Proportional to 23,476.79, 32,396.37 and 13,405.64

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Solution

The fourth proportional to 23,476.79, 32,396.37 and 13,405.64 is: 18,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,476.79 : 32,396.37 = 13,405.64 : x
  2. Step 2: Convert to fraction form
    23,476.79/32,396.37 = 13,405.64/x
  3. Step 3: Cross multiply
    23,476.79x = 32,396.37 × 13,405.64
  4. Step 4: Simplify right side
    23,476.79x = 434,294,073.53
  5. Step 5: Solve for x
    x = 434,294,073.53/23,476.79
  6. Step 6: Final answer
    x = 18,498.87

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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.