Home / 30,453.05-45,673.29-11,726.66

Finding the Fourth Proportional to 30,453.05, 45,673.29 and 11,726.66

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Solution

The fourth proportional to 30,453.05, 45,673.29 and 11,726.66 is: 17,587.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,453.05 : 45,673.29 = 11,726.66 : x
  2. Step 2: Convert to fraction form
    30,453.05/45,673.29 = 11,726.66/x
  3. Step 3: Cross multiply
    30,453.05x = 45,673.29 × 11,726.66
  4. Step 4: Simplify right side
    30,453.05x = 535,594,914.54
  5. Step 5: Solve for x
    x = 535,594,914.54/30,453.05
  6. Step 6: Final answer
    x = 17,587.57

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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.