Home / 19,512.10-26,920.06-11,013.22

Finding the Fourth Proportional to 19,512.10, 26,920.06 and 11,013.22

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Solution

The fourth proportional to 19,512.10, 26,920.06 and 11,013.22 is: 15,194.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,512.10 : 26,920.06 = 11,013.22 : x
  2. Step 2: Convert to fraction form
    19,512.10/26,920.06 = 11,013.22/x
  3. Step 3: Cross multiply
    19,512.10x = 26,920.06 × 11,013.22
  4. Step 4: Simplify right side
    19,512.10x = 296,476,543.19
  5. Step 5: Solve for x
    x = 296,476,543.19/19,512.10
  6. Step 6: Final answer
    x = 15,194.50

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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.