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Finding the Fourth Proportional to 14,058.15, 19,405.13 and 9,036.15

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Solution

The fourth proportional to 14,058.15, 19,405.13 and 9,036.15 is: 12,473.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.15 : 19,405.13 = 9,036.15 : x
  2. Step 2: Convert to fraction form
    14,058.15/19,405.13 = 9,036.15/x
  3. Step 3: Cross multiply
    14,058.15x = 19,405.13 × 9,036.15
  4. Step 4: Simplify right side
    14,058.15x = 175,347,665.45
  5. Step 5: Solve for x
    x = 175,347,665.45/14,058.15
  6. Step 6: Final answer
    x = 12,473.03

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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.