Home / 19,396.14-26,750.43-11,931.18

Finding the Fourth Proportional to 19,396.14, 26,750.43 and 11,931.18

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Solution

The fourth proportional to 19,396.14, 26,750.43 and 11,931.18 is: 16,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.14 : 26,750.43 = 11,931.18 : x
  2. Step 2: Convert to fraction form
    19,396.14/26,750.43 = 11,931.18/x
  3. Step 3: Cross multiply
    19,396.14x = 26,750.43 × 11,931.18
  4. Step 4: Simplify right side
    19,396.14x = 319,164,195.41
  5. Step 5: Solve for x
    x = 319,164,195.41/19,396.14
  6. Step 6: Final answer
    x = 16,455.04

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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.