Home / 19,270.48-26,597.70-11,315.26

Finding the Fourth Proportional to 19,270.48, 26,597.70 and 11,315.26

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Solution

The fourth proportional to 19,270.48, 26,597.70 and 11,315.26 is: 15,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.48 : 26,597.70 = 11,315.26 : x
  2. Step 2: Convert to fraction form
    19,270.48/26,597.70 = 11,315.26/x
  3. Step 3: Cross multiply
    19,270.48x = 26,597.70 × 11,315.26
  4. Step 4: Simplify right side
    19,270.48x = 300,959,890.90
  5. Step 5: Solve for x
    x = 300,959,890.90/19,270.48
  6. Step 6: Final answer
    x = 15,617.66

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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.