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Finding the Fourth Proportional to 14,303.27, 19,738.53 and 8,015.64

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Solution

The fourth proportional to 14,303.27, 19,738.53 and 8,015.64 is: 11,061.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.27 : 19,738.53 = 8,015.64 : x
  2. Step 2: Convert to fraction form
    14,303.27/19,738.53 = 8,015.64/x
  3. Step 3: Cross multiply
    14,303.27x = 19,738.53 × 8,015.64
  4. Step 4: Simplify right side
    14,303.27x = 158,216,950.61
  5. Step 5: Solve for x
    x = 158,216,950.61/14,303.27
  6. Step 6: Final answer
    x = 11,061.60

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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.