Home / 19,188.56-26,487.06-11,631.80

Finding the Fourth Proportional to 19,188.56, 26,487.06 and 11,631.80

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Solution

The fourth proportional to 19,188.56, 26,487.06 and 11,631.80 is: 16,056.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.56 : 26,487.06 = 11,631.80 : x
  2. Step 2: Convert to fraction form
    19,188.56/26,487.06 = 11,631.80/x
  3. Step 3: Cross multiply
    19,188.56x = 26,487.06 × 11,631.80
  4. Step 4: Simplify right side
    19,188.56x = 308,092,184.51
  5. Step 5: Solve for x
    x = 308,092,184.51/19,188.56
  6. Step 6: Final answer
    x = 16,056.03

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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.