Home / 13,350.56-18,423.63-7,382.33

Finding the Fourth Proportional to 13,350.56, 18,423.63 and 7,382.33

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Solution

The fourth proportional to 13,350.56, 18,423.63 and 7,382.33 is: 10,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.56 : 18,423.63 = 7,382.33 : x
  2. Step 2: Convert to fraction form
    13,350.56/18,423.63 = 7,382.33/x
  3. Step 3: Cross multiply
    13,350.56x = 18,423.63 × 7,382.33
  4. Step 4: Simplify right side
    13,350.56x = 136,009,316.46
  5. Step 5: Solve for x
    x = 136,009,316.46/13,350.56
  6. Step 6: Final answer
    x = 10,187.54

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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.