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Finding the Fourth Proportional to 18,776.48, 25,888.02 and 12,050.24

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Solution

The fourth proportional to 18,776.48, 25,888.02 and 12,050.24 is: 16,614.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,776.48 : 25,888.02 = 12,050.24 : x
  2. Step 2: Convert to fraction form
    18,776.48/25,888.02 = 12,050.24/x
  3. Step 3: Cross multiply
    18,776.48x = 25,888.02 × 12,050.24
  4. Step 4: Simplify right side
    18,776.48x = 311,956,854.12
  5. Step 5: Solve for x
    x = 311,956,854.12/18,776.48
  6. Step 6: Final answer
    x = 16,614.24

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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.