Home / 14,120.48-19,486.24-7,833.28

Finding the Fourth Proportional to 14,120.48, 19,486.24 and 7,833.28

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Solution

The fourth proportional to 14,120.48, 19,486.24 and 7,833.28 is: 10,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.48 : 19,486.24 = 7,833.28 : x
  2. Step 2: Convert to fraction form
    14,120.48/19,486.24 = 7,833.28/x
  3. Step 3: Cross multiply
    14,120.48x = 19,486.24 × 7,833.28
  4. Step 4: Simplify right side
    14,120.48x = 152,641,174.07
  5. Step 5: Solve for x
    x = 152,641,174.07/14,120.48
  6. Step 6: Final answer
    x = 10,809.91

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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.