Home / 22,273.69-30,716.49-13,319.77

Finding the Fourth Proportional to 22,273.69, 30,716.49 and 13,319.77

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Solution

The fourth proportional to 22,273.69, 30,716.49 and 13,319.77 is: 18,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,273.69 : 30,716.49 = 13,319.77 : x
  2. Step 2: Convert to fraction form
    22,273.69/30,716.49 = 13,319.77/x
  3. Step 3: Cross multiply
    22,273.69x = 30,716.49 × 13,319.77
  4. Step 4: Simplify right side
    22,273.69x = 409,136,582.01
  5. Step 5: Solve for x
    x = 409,136,582.01/22,273.69
  6. Step 6: Final answer
    x = 18,368.60

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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.