Home / 19,756.26-27,259.56-11,256.57

Finding the Fourth Proportional to 19,756.26, 27,259.56 and 11,256.57

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Solution

The fourth proportional to 19,756.26, 27,259.56 and 11,256.57 is: 15,531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,756.26 : 27,259.56 = 11,256.57 : x
  2. Step 2: Convert to fraction form
    19,756.26/27,259.56 = 11,256.57/x
  3. Step 3: Cross multiply
    19,756.26x = 27,259.56 × 11,256.57
  4. Step 4: Simplify right side
    19,756.26x = 306,849,145.31
  5. Step 5: Solve for x
    x = 306,849,145.31/19,756.26
  6. Step 6: Final answer
    x = 15,531.74

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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.