Home / 19,316.31-26,648.67-11,756.58

Finding the Fourth Proportional to 19,316.31, 26,648.67 and 11,756.58

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Solution

The fourth proportional to 19,316.31, 26,648.67 and 11,756.58 is: 16,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.31 : 26,648.67 = 11,756.58 : x
  2. Step 2: Convert to fraction form
    19,316.31/26,648.67 = 11,756.58/x
  3. Step 3: Cross multiply
    19,316.31x = 26,648.67 × 11,756.58
  4. Step 4: Simplify right side
    19,316.31x = 313,297,220.75
  5. Step 5: Solve for x
    x = 313,297,220.75/19,316.31
  6. Step 6: Final answer
    x = 16,219.31

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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.