Home / 19,258.22-26,578.31-13,885.08

Finding the Fourth Proportional to 19,258.22, 26,578.31 and 13,885.08

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Solution

The fourth proportional to 19,258.22, 26,578.31 and 13,885.08 is: 19,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258.22 : 26,578.31 = 13,885.08 : x
  2. Step 2: Convert to fraction form
    19,258.22/26,578.31 = 13,885.08/x
  3. Step 3: Cross multiply
    19,258.22x = 26,578.31 × 13,885.08
  4. Step 4: Simplify right side
    19,258.22x = 369,041,960.61
  5. Step 5: Solve for x
    x = 369,041,960.61/19,258.22
  6. Step 6: Final answer
    x = 19,162.83

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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.