Home / 19,393.76-26,759.28-11,433.04

Finding the Fourth Proportional to 19,393.76, 26,759.28 and 11,433.04

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Solution

The fourth proportional to 19,393.76, 26,759.28 and 11,433.04 is: 15,775.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.76 : 26,759.28 = 11,433.04 : x
  2. Step 2: Convert to fraction form
    19,393.76/26,759.28 = 11,433.04/x
  3. Step 3: Cross multiply
    19,393.76x = 26,759.28 × 11,433.04
  4. Step 4: Simplify right side
    19,393.76x = 305,939,918.61
  5. Step 5: Solve for x
    x = 305,939,918.61/19,393.76
  6. Step 6: Final answer
    x = 15,775.17

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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.