Home / 19,191.56-26,479.71-10,808.06

Finding the Fourth Proportional to 19,191.56, 26,479.71 and 10,808.06

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Solution

The fourth proportional to 19,191.56, 26,479.71 and 10,808.06 is: 14,912.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.56 : 26,479.71 = 10,808.06 : x
  2. Step 2: Convert to fraction form
    19,191.56/26,479.71 = 10,808.06/x
  3. Step 3: Cross multiply
    19,191.56x = 26,479.71 × 10,808.06
  4. Step 4: Simplify right side
    19,191.56x = 286,194,162.06
  5. Step 5: Solve for x
    x = 286,194,162.06/19,191.56
  6. Step 6: Final answer
    x = 14,912.51

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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.