Home / 19,271.42-26,590.10-11,313.26

Finding the Fourth Proportional to 19,271.42, 26,590.10 and 11,313.26

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Solution

The fourth proportional to 19,271.42, 26,590.10 and 11,313.26 is: 15,609.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.42 : 26,590.10 = 11,313.26 : x
  2. Step 2: Convert to fraction form
    19,271.42/26,590.10 = 11,313.26/x
  3. Step 3: Cross multiply
    19,271.42x = 26,590.10 × 11,313.26
  4. Step 4: Simplify right side
    19,271.42x = 300,820,714.73
  5. Step 5: Solve for x
    x = 300,820,714.73/19,271.42
  6. Step 6: Final answer
    x = 15,609.68

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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.