Home / 19,571.40-27,006.75-11,074.29

Finding the Fourth Proportional to 19,571.40, 27,006.75 and 11,074.29

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Solution

The fourth proportional to 19,571.40, 27,006.75 and 11,074.29 is: 15,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.40 : 27,006.75 = 11,074.29 : x
  2. Step 2: Convert to fraction form
    19,571.40/27,006.75 = 11,074.29/x
  3. Step 3: Cross multiply
    19,571.40x = 27,006.75 × 11,074.29
  4. Step 4: Simplify right side
    19,571.40x = 299,080,581.46
  5. Step 5: Solve for x
    x = 299,080,581.46/19,571.40
  6. Step 6: Final answer
    x = 15,281.51

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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.