Home / 18,332.09-27,435.81-11,316.53

Finding the Fourth Proportional to 18,332.09, 27,435.81 and 11,316.53

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Solution

The fourth proportional to 18,332.09, 27,435.81 and 11,316.53 is: 16,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332.09 : 27,435.81 = 11,316.53 : x
  2. Step 2: Convert to fraction form
    18,332.09/27,435.81 = 11,316.53/x
  3. Step 3: Cross multiply
    18,332.09x = 27,435.81 × 11,316.53
  4. Step 4: Simplify right side
    18,332.09x = 310,478,166.94
  5. Step 5: Solve for x
    x = 310,478,166.94/18,332.09
  6. Step 6: Final answer
    x = 16,936.32

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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.