Home / 19,372.75-26,730.27-11,412.07

Finding the Fourth Proportional to 19,372.75, 26,730.27 and 11,412.07

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Solution

The fourth proportional to 19,372.75, 26,730.27 and 11,412.07 is: 15,746.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.75 : 26,730.27 = 11,412.07 : x
  2. Step 2: Convert to fraction form
    19,372.75/26,730.27 = 11,412.07/x
  3. Step 3: Cross multiply
    19,372.75x = 26,730.27 × 11,412.07
  4. Step 4: Simplify right side
    19,372.75x = 305,047,712.36
  5. Step 5: Solve for x
    x = 305,047,712.36/19,372.75
  6. Step 6: Final answer
    x = 15,746.23

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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.