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Finding the Fourth Proportional to 18,303.01, 25,271.18 and 14,468.92

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Solution

The fourth proportional to 18,303.01, 25,271.18 and 14,468.92 is: 19,977.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.01 : 25,271.18 = 14,468.92 : x
  2. Step 2: Convert to fraction form
    18,303.01/25,271.18 = 14,468.92/x
  3. Step 3: Cross multiply
    18,303.01x = 25,271.18 × 14,468.92
  4. Step 4: Simplify right side
    18,303.01x = 365,646,681.73
  5. Step 5: Solve for x
    x = 365,646,681.73/18,303.01
  6. Step 6: Final answer
    x = 19,977.41

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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.