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Finding the Fourth Proportional to 13,710.56, 20,574.02 and 12,595.19

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Solution

The fourth proportional to 13,710.56, 20,574.02 and 12,595.19 is: 18,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.56 : 20,574.02 = 12,595.19 : x
  2. Step 2: Convert to fraction form
    13,710.56/20,574.02 = 12,595.19/x
  3. Step 3: Cross multiply
    13,710.56x = 20,574.02 × 12,595.19
  4. Step 4: Simplify right side
    13,710.56x = 259,133,619.58
  5. Step 5: Solve for x
    x = 259,133,619.58/13,710.56
  6. Step 6: Final answer
    x = 18,900.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.