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Finding the Fourth Proportional to 14,389.58, 19,854.99 and 8,016.02

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Solution

The fourth proportional to 14,389.58, 19,854.99 and 8,016.02 is: 11,060.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.58 : 19,854.99 = 8,016.02 : x
  2. Step 2: Convert to fraction form
    14,389.58/19,854.99 = 8,016.02/x
  3. Step 3: Cross multiply
    14,389.58x = 19,854.99 × 8,016.02
  4. Step 4: Simplify right side
    14,389.58x = 159,157,897.66
  5. Step 5: Solve for x
    x = 159,157,897.66/14,389.58
  6. Step 6: Final answer
    x = 11,060.64

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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.