Home / 19,215.93-26,510.33-11,659.48

Finding the Fourth Proportional to 19,215.93, 26,510.33 and 11,659.48

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Solution

The fourth proportional to 19,215.93, 26,510.33 and 11,659.48 is: 16,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.93 : 26,510.33 = 11,659.48 : x
  2. Step 2: Convert to fraction form
    19,215.93/26,510.33 = 11,659.48/x
  3. Step 3: Cross multiply
    19,215.93x = 26,510.33 × 11,659.48
  4. Step 4: Simplify right side
    19,215.93x = 309,096,604.13
  5. Step 5: Solve for x
    x = 309,096,604.13/19,215.93
  6. Step 6: Final answer
    x = 16,085.44

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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.