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Finding the Fourth Proportional to 19,595.58, 27,028.95 and 12,530.94

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Solution

The fourth proportional to 19,595.58, 27,028.95 and 12,530.94 is: 17,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595.58 : 27,028.95 = 12,530.94 : x
  2. Step 2: Convert to fraction form
    19,595.58/27,028.95 = 12,530.94/x
  3. Step 3: Cross multiply
    19,595.58x = 27,028.95 × 12,530.94
  4. Step 4: Simplify right side
    19,595.58x = 338,698,150.71
  5. Step 5: Solve for x
    x = 338,698,150.71/19,595.58
  6. Step 6: Final answer
    x = 17,284.42

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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.