Home / 19,478.03-29,241.26-13,592.35

Finding the Fourth Proportional to 19,478.03, 29,241.26 and 13,592.35

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Solution

The fourth proportional to 19,478.03, 29,241.26 and 13,592.35 is: 20,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.03 : 29,241.26 = 13,592.35 : x
  2. Step 2: Convert to fraction form
    19,478.03/29,241.26 = 13,592.35/x
  3. Step 3: Cross multiply
    19,478.03x = 29,241.26 × 13,592.35
  4. Step 4: Simplify right side
    19,478.03x = 397,457,440.36
  5. Step 5: Solve for x
    x = 397,457,440.36/19,478.03
  6. Step 6: Final answer
    x = 20,405.42

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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.