Home / 14,121.36-19,487.24-7,833.60

Finding the Fourth Proportional to 14,121.36, 19,487.24 and 7,833.60

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Solution

The fourth proportional to 14,121.36, 19,487.24 and 7,833.60 is: 10,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.36 : 19,487.24 = 7,833.60 : x
  2. Step 2: Convert to fraction form
    14,121.36/19,487.24 = 7,833.60/x
  3. Step 3: Cross multiply
    14,121.36x = 19,487.24 × 7,833.60
  4. Step 4: Simplify right side
    14,121.36x = 152,655,243.26
  5. Step 5: Solve for x
    x = 152,655,243.26/14,121.36
  6. Step 6: Final answer
    x = 10,810.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.