Home / 14,275.71-19,687.39-12,258.43

Finding the Fourth Proportional to 14,275.71, 19,687.39 and 12,258.43

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Solution

The fourth proportional to 14,275.71, 19,687.39 and 12,258.43 is: 16,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.71 : 19,687.39 = 12,258.43 : x
  2. Step 2: Convert to fraction form
    14,275.71/19,687.39 = 12,258.43/x
  3. Step 3: Cross multiply
    14,275.71x = 19,687.39 × 12,258.43
  4. Step 4: Simplify right side
    14,275.71x = 241,336,523.07
  5. Step 5: Solve for x
    x = 241,336,523.07/14,275.71
  6. Step 6: Final answer
    x = 16,905.40

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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.