Home / 13,822.48-20,725.74-9,445.24

Finding the Fourth Proportional to 13,822.48, 20,725.74 and 9,445.24

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Solution

The fourth proportional to 13,822.48, 20,725.74 and 9,445.24 is: 14,162.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.48 : 20,725.74 = 9,445.24 : x
  2. Step 2: Convert to fraction form
    13,822.48/20,725.74 = 9,445.24/x
  3. Step 3: Cross multiply
    13,822.48x = 20,725.74 × 9,445.24
  4. Step 4: Simplify right side
    13,822.48x = 195,759,588.48
  5. Step 5: Solve for x
    x = 195,759,588.48/13,822.48
  6. Step 6: Final answer
    x = 14,162.41

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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.