Home / 13,071.88-18,040.26-7,483.24

Finding the Fourth Proportional to 13,071.88, 18,040.26 and 7,483.24

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Solution

The fourth proportional to 13,071.88, 18,040.26 and 7,483.24 is: 10,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.88 : 18,040.26 = 7,483.24 : x
  2. Step 2: Convert to fraction form
    13,071.88/18,040.26 = 7,483.24/x
  3. Step 3: Cross multiply
    13,071.88x = 18,040.26 × 7,483.24
  4. Step 4: Simplify right side
    13,071.88x = 134,999,595.24
  5. Step 5: Solve for x
    x = 134,999,595.24/13,071.88
  6. Step 6: Final answer
    x = 10,327.48

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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.