Home / 19,016.54-26,215.36-13,038.74

Finding the Fourth Proportional to 19,016.54, 26,215.36 and 13,038.74

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Solution

The fourth proportional to 19,016.54, 26,215.36 and 13,038.74 is: 17,974.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.54 : 26,215.36 = 13,038.74 : x
  2. Step 2: Convert to fraction form
    19,016.54/26,215.36 = 13,038.74/x
  3. Step 3: Cross multiply
    19,016.54x = 26,215.36 × 13,038.74
  4. Step 4: Simplify right side
    19,016.54x = 341,815,263.05
  5. Step 5: Solve for x
    x = 341,815,263.05/19,016.54
  6. Step 6: Final answer
    x = 17,974.63

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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.