Home / 13,242.07-18,273.16-7,273.99

Finding the Fourth Proportional to 13,242.07, 18,273.16 and 7,273.99

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Solution

The fourth proportional to 13,242.07, 18,273.16 and 7,273.99 is: 10,037.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.07 : 18,273.16 = 7,273.99 : x
  2. Step 2: Convert to fraction form
    13,242.07/18,273.16 = 7,273.99/x
  3. Step 3: Cross multiply
    13,242.07x = 18,273.16 × 7,273.99
  4. Step 4: Simplify right side
    13,242.07x = 132,918,783.11
  5. Step 5: Solve for x
    x = 132,918,783.11/13,242.07
  6. Step 6: Final answer
    x = 10,037.61

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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.