Home / 53,362.36-80,043.27-13,918.60

Finding the Fourth Proportional to 53,362.36, 80,043.27 and 13,918.60

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Solution

The fourth proportional to 53,362.36, 80,043.27 and 13,918.60 is: 20,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,362.36 : 80,043.27 = 13,918.60 : x
  2. Step 2: Convert to fraction form
    53,362.36/80,043.27 = 13,918.60/x
  3. Step 3: Cross multiply
    53,362.36x = 80,043.27 × 13,918.60
  4. Step 4: Simplify right side
    53,362.36x = 1,114,090,257.82
  5. Step 5: Solve for x
    x = 1,114,090,257.82/53,362.36
  6. Step 6: Final answer
    x = 20,877.83

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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.