Home / 19,104.56-28,657.64-5,253.36

Finding the Fourth Proportional to 19,104.56, 28,657.64 and 5,253.36

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Solution

The fourth proportional to 19,104.56, 28,657.64 and 5,253.36 is: 7,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104.56 : 28,657.64 = 5,253.36 : x
  2. Step 2: Convert to fraction form
    19,104.56/28,657.64 = 5,253.36/x
  3. Step 3: Cross multiply
    19,104.56x = 28,657.64 × 5,253.36
  4. Step 4: Simplify right side
    19,104.56x = 150,548,899.67
  5. Step 5: Solve for x
    x = 150,548,899.67/19,104.56
  6. Step 6: Final answer
    x = 7,880.26

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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.