Home / 19,217.16-26,515.64-11,667.46

Finding the Fourth Proportional to 19,217.16, 26,515.64 and 11,667.46

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Solution

The fourth proportional to 19,217.16, 26,515.64 and 11,667.46 is: 16,098.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.16 : 26,515.64 = 11,667.46 : x
  2. Step 2: Convert to fraction form
    19,217.16/26,515.64 = 11,667.46/x
  3. Step 3: Cross multiply
    19,217.16x = 26,515.64 × 11,667.46
  4. Step 4: Simplify right side
    19,217.16x = 309,370,169.07
  5. Step 5: Solve for x
    x = 309,370,169.07/19,217.16
  6. Step 6: Final answer
    x = 16,098.64

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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.