Home / 19,188.90-26,483.62-11,636.46

Finding the Fourth Proportional to 19,188.90, 26,483.62 and 11,636.46

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Solution

The fourth proportional to 19,188.90, 26,483.62 and 11,636.46 is: 16,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.90 : 26,483.62 = 11,636.46 : x
  2. Step 2: Convert to fraction form
    19,188.90/26,483.62 = 11,636.46/x
  3. Step 3: Cross multiply
    19,188.90x = 26,483.62 × 11,636.46
  4. Step 4: Simplify right side
    19,188.90x = 308,175,584.79
  5. Step 5: Solve for x
    x = 308,175,584.79/19,188.90
  6. Step 6: Final answer
    x = 16,060.10

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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.