Home / 19,185.42-28,605.99-18,835.50

Finding the Fourth Proportional to 19,185.42, 28,605.99 and 18,835.50

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Solution

The fourth proportional to 19,185.42, 28,605.99 and 18,835.50 is: 28,084.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.42 : 28,605.99 = 18,835.50 : x
  2. Step 2: Convert to fraction form
    19,185.42/28,605.99 = 18,835.50/x
  3. Step 3: Cross multiply
    19,185.42x = 28,605.99 × 18,835.50
  4. Step 4: Simplify right side
    19,185.42x = 538,808,124.65
  5. Step 5: Solve for x
    x = 538,808,124.65/19,185.42
  6. Step 6: Final answer
    x = 28,084.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.