Home / 13,943.90-19,226.35-9,470.54

Finding the Fourth Proportional to 13,943.90, 19,226.35 and 9,470.54

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Solution

The fourth proportional to 13,943.90, 19,226.35 and 9,470.54 is: 13,058.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.90 : 19,226.35 = 9,470.54 : x
  2. Step 2: Convert to fraction form
    13,943.90/19,226.35 = 9,470.54/x
  3. Step 3: Cross multiply
    13,943.90x = 19,226.35 × 9,470.54
  4. Step 4: Simplify right side
    13,943.90x = 182,083,916.73
  5. Step 5: Solve for x
    x = 182,083,916.73/13,943.90
  6. Step 6: Final answer
    x = 13,058.32

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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.