Home / 12,924.65-19,388.34-4,605.55

Finding the Fourth Proportional to 12,924.65, 19,388.34 and 4,605.55

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Solution

The fourth proportional to 12,924.65, 19,388.34 and 4,605.55 is: 6,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924.65 : 19,388.34 = 4,605.55 : x
  2. Step 2: Convert to fraction form
    12,924.65/19,388.34 = 4,605.55/x
  3. Step 3: Cross multiply
    12,924.65x = 19,388.34 × 4,605.55
  4. Step 4: Simplify right side
    12,924.65x = 89,293,969.29
  5. Step 5: Solve for x
    x = 89,293,969.29/12,924.65
  6. Step 6: Final answer
    x = 6,908.81

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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.