Home / 14,403.75-19,893.73-9,615.36

Finding the Fourth Proportional to 14,403.75, 19,893.73 and 9,615.36

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Solution

The fourth proportional to 14,403.75, 19,893.73 and 9,615.36 is: 13,280.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.75 : 19,893.73 = 9,615.36 : x
  2. Step 2: Convert to fraction form
    14,403.75/19,893.73 = 9,615.36/x
  3. Step 3: Cross multiply
    14,403.75x = 19,893.73 × 9,615.36
  4. Step 4: Simplify right side
    14,403.75x = 191,285,305.34
  5. Step 5: Solve for x
    x = 191,285,305.34/14,403.75
  6. Step 6: Final answer
    x = 13,280.24

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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.