Home / 19,365.40-29,039.46-5,511.16

Finding the Fourth Proportional to 19,365.40, 29,039.46 and 5,511.16

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Solution

The fourth proportional to 19,365.40, 29,039.46 and 5,511.16 is: 8,264.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.40 : 29,039.46 = 5,511.16 : x
  2. Step 2: Convert to fraction form
    19,365.40/29,039.46 = 5,511.16/x
  3. Step 3: Cross multiply
    19,365.40x = 29,039.46 × 5,511.16
  4. Step 4: Simplify right side
    19,365.40x = 160,041,110.37
  5. Step 5: Solve for x
    x = 160,041,110.37/19,365.40
  6. Step 6: Final answer
    x = 8,264.28

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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.