Home / 19,394.58-26,756.55-12,318.42

Finding the Fourth Proportional to 19,394.58, 26,756.55 and 12,318.42

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Solution

The fourth proportional to 19,394.58, 26,756.55 and 12,318.42 is: 16,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,394.58 : 26,756.55 = 12,318.42 : x
  2. Step 2: Convert to fraction form
    19,394.58/26,756.55 = 12,318.42/x
  3. Step 3: Cross multiply
    19,394.58x = 26,756.55 × 12,318.42
  4. Step 4: Simplify right side
    19,394.58x = 329,598,420.65
  5. Step 5: Solve for x
    x = 329,598,420.65/19,394.58
  6. Step 6: Final answer
    x = 16,994.36

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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.