Home / 19,339.07-26,685.53-11,782.65

Finding the Fourth Proportional to 19,339.07, 26,685.53 and 11,782.65

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Solution

The fourth proportional to 19,339.07, 26,685.53 and 11,782.65 is: 16,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.07 : 26,685.53 = 11,782.65 : x
  2. Step 2: Convert to fraction form
    19,339.07/26,685.53 = 11,782.65/x
  3. Step 3: Cross multiply
    19,339.07x = 26,685.53 × 11,782.65
  4. Step 4: Simplify right side
    19,339.07x = 314,426,201.14
  5. Step 5: Solve for x
    x = 314,426,201.14/19,339.07
  6. Step 6: Final answer
    x = 16,258.60

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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.