Home / 19,191.80-26,492.06-11,236.59

Finding the Fourth Proportional to 19,191.80, 26,492.06 and 11,236.59

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Solution

The fourth proportional to 19,191.80, 26,492.06 and 11,236.59 is: 15,510.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.80 : 26,492.06 = 11,236.59 : x
  2. Step 2: Convert to fraction form
    19,191.80/26,492.06 = 11,236.59/x
  3. Step 3: Cross multiply
    19,191.80x = 26,492.06 × 11,236.59
  4. Step 4: Simplify right side
    19,191.80x = 297,680,360.29
  5. Step 5: Solve for x
    x = 297,680,360.29/19,191.80
  6. Step 6: Final answer
    x = 15,510.81

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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.