Home / 19,537.20-26,958.96-11,038.80

Finding the Fourth Proportional to 19,537.20, 26,958.96 and 11,038.80

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Solution

The fourth proportional to 19,537.20, 26,958.96 and 11,038.80 is: 15,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,537.20 : 26,958.96 = 11,038.80 : x
  2. Step 2: Convert to fraction form
    19,537.20/26,958.96 = 11,038.80/x
  3. Step 3: Cross multiply
    19,537.20x = 26,958.96 × 11,038.80
  4. Step 4: Simplify right side
    19,537.20x = 297,594,567.65
  5. Step 5: Solve for x
    x = 297,594,567.65/19,537.20
  6. Step 6: Final answer
    x = 15,232.20

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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.