Home / 13,316.22-18,375.93-7,347.33

Finding the Fourth Proportional to 13,316.22, 18,375.93 and 7,347.33

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Solution

The fourth proportional to 13,316.22, 18,375.93 and 7,347.33 is: 10,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.22 : 18,375.93 = 7,347.33 : x
  2. Step 2: Convert to fraction form
    13,316.22/18,375.93 = 7,347.33/x
  3. Step 3: Cross multiply
    13,316.22x = 18,375.93 × 7,347.33
  4. Step 4: Simplify right side
    13,316.22x = 135,014,021.77
  5. Step 5: Solve for x
    x = 135,014,021.77/13,316.22
  6. Step 6: Final answer
    x = 10,139.07

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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.