Home / 19,035.50-28,533.81-7,948.22

Finding the Fourth Proportional to 19,035.50, 28,533.81 and 7,948.22

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Solution

The fourth proportional to 19,035.50, 28,533.81 and 7,948.22 is: 11,914.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,035.50 : 28,533.81 = 7,948.22 : x
  2. Step 2: Convert to fraction form
    19,035.50/28,533.81 = 7,948.22/x
  3. Step 3: Cross multiply
    19,035.50x = 28,533.81 × 7,948.22
  4. Step 4: Simplify right side
    19,035.50x = 226,792,999.32
  5. Step 5: Solve for x
    x = 226,792,999.32/19,035.50
  6. Step 6: Final answer
    x = 11,914.21

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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.