Home / 18,457.07-27,688.64-7,364.12

Finding the Fourth Proportional to 18,457.07, 27,688.64 and 7,364.12

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Solution

The fourth proportional to 18,457.07, 27,688.64 and 7,364.12 is: 11,047.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.07 : 27,688.64 = 7,364.12 : x
  2. Step 2: Convert to fraction form
    18,457.07/27,688.64 = 7,364.12/x
  3. Step 3: Cross multiply
    18,457.07x = 27,688.64 × 7,364.12
  4. Step 4: Simplify right side
    18,457.07x = 203,902,292.33
  5. Step 5: Solve for x
    x = 203,902,292.33/18,457.07
  6. Step 6: Final answer
    x = 11,047.38

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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.