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Finding the Fourth Proportional to 14,058.54, 19,393.11 and 9,017.15

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Solution

The fourth proportional to 14,058.54, 19,393.11 and 9,017.15 is: 12,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.54 : 19,393.11 = 9,017.15 : x
  2. Step 2: Convert to fraction form
    14,058.54/19,393.11 = 9,017.15/x
  3. Step 3: Cross multiply
    14,058.54x = 19,393.11 × 9,017.15
  4. Step 4: Simplify right side
    14,058.54x = 174,870,630.32
  5. Step 5: Solve for x
    x = 174,870,630.32/14,058.54
  6. Step 6: Final answer
    x = 12,438.75

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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.