Home / 19,173.36-28,723.16-11,756.18

Finding the Fourth Proportional to 19,173.36, 28,723.16 and 11,756.18

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Solution

The fourth proportional to 19,173.36, 28,723.16 and 11,756.18 is: 17,611.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.36 : 28,723.16 = 11,756.18 : x
  2. Step 2: Convert to fraction form
    19,173.36/28,723.16 = 11,756.18/x
  3. Step 3: Cross multiply
    19,173.36x = 28,723.16 × 11,756.18
  4. Step 4: Simplify right side
    19,173.36x = 337,674,639.13
  5. Step 5: Solve for x
    x = 337,674,639.13/19,173.36
  6. Step 6: Final answer
    x = 17,611.66

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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.