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Finding the Fourth Proportional to 14,387.64, 19,853.53 and 8,014.02

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Solution

The fourth proportional to 14,387.64, 19,853.53 and 8,014.02 is: 11,058.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.64 : 19,853.53 = 8,014.02 : x
  2. Step 2: Convert to fraction form
    14,387.64/19,853.53 = 8,014.02/x
  3. Step 3: Cross multiply
    14,387.64x = 19,853.53 × 8,014.02
  4. Step 4: Simplify right side
    14,387.64x = 159,106,586.49
  5. Step 5: Solve for x
    x = 159,106,586.49/14,387.64
  6. Step 6: Final answer
    x = 11,058.56

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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.