Home / 29,584.71-40,827-18,974.40

Finding the Fourth Proportional to 29,584.71, 40,827 and 18,974.40

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Solution

The fourth proportional to 29,584.71, 40,827 and 18,974.40 is: 26,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,584.71 : 40,827 = 18,974.40 : x
  2. Step 2: Convert to fraction form
    29,584.71/40,827 = 18,974.40/x
  3. Step 3: Cross multiply
    29,584.71x = 40,827 × 18,974.40
  4. Step 4: Simplify right side
    29,584.71x = 774,667,828.80
  5. Step 5: Solve for x
    x = 774,667,828.80/29,584.71
  6. Step 6: Final answer
    x = 26,184.74

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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.