Home / 19,211.56-26,512.16-10,828.06

Finding the Fourth Proportional to 19,211.56, 26,512.16 and 10,828.06

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Solution

The fourth proportional to 19,211.56, 26,512.16 and 10,828.06 is: 14,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.56 : 26,512.16 = 10,828.06 : x
  2. Step 2: Convert to fraction form
    19,211.56/26,512.16 = 10,828.06/x
  3. Step 3: Cross multiply
    19,211.56x = 26,512.16 × 10,828.06
  4. Step 4: Simplify right side
    19,211.56x = 287,075,259.21
  5. Step 5: Solve for x
    x = 287,075,259.21/19,211.56
  6. Step 6: Final answer
    x = 14,942.84

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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.