Home / 19,370.04-26,729.84-11,412.60

Finding the Fourth Proportional to 19,370.04, 26,729.84 and 11,412.60

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Solution

The fourth proportional to 19,370.04, 26,729.84 and 11,412.60 is: 15,748.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.04 : 26,729.84 = 11,412.60 : x
  2. Step 2: Convert to fraction form
    19,370.04/26,729.84 = 11,412.60/x
  3. Step 3: Cross multiply
    19,370.04x = 26,729.84 × 11,412.60
  4. Step 4: Simplify right side
    19,370.04x = 305,056,971.98
  5. Step 5: Solve for x
    x = 305,056,971.98/19,370.04
  6. Step 6: Final answer
    x = 15,748.91

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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.