Home / 19,126.90-26,390.80-11,573.04

Finding the Fourth Proportional to 19,126.90, 26,390.80 and 11,573.04

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Solution

The fourth proportional to 19,126.90, 26,390.80 and 11,573.04 is: 15,968.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.90 : 26,390.80 = 11,573.04 : x
  2. Step 2: Convert to fraction form
    19,126.90/26,390.80 = 11,573.04/x
  3. Step 3: Cross multiply
    19,126.90x = 26,390.80 × 11,573.04
  4. Step 4: Simplify right side
    19,126.90x = 305,421,784.03
  5. Step 5: Solve for x
    x = 305,421,784.03/19,126.90
  6. Step 6: Final answer
    x = 15,968.18

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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.