Home / 22,050.36-30,417.82-13,969.76

Finding the Fourth Proportional to 22,050.36, 30,417.82 and 13,969.76

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Solution

The fourth proportional to 22,050.36, 30,417.82 and 13,969.76 is: 19,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,050.36 : 30,417.82 = 13,969.76 : x
  2. Step 2: Convert to fraction form
    22,050.36/30,417.82 = 13,969.76/x
  3. Step 3: Cross multiply
    22,050.36x = 30,417.82 × 13,969.76
  4. Step 4: Simplify right side
    22,050.36x = 424,929,645.12
  5. Step 5: Solve for x
    x = 424,929,645.12/22,050.36
  6. Step 6: Final answer
    x = 19,270.87

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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.