Home / 19,510.12-26,922.18-11,953

Finding the Fourth Proportional to 19,510.12, 26,922.18 and 11,953

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Solution

The fourth proportional to 19,510.12, 26,922.18 and 11,953 is: 16,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,510.12 : 26,922.18 = 11,953 : x
  2. Step 2: Convert to fraction form
    19,510.12/26,922.18 = 11,953/x
  3. Step 3: Cross multiply
    19,510.12x = 26,922.18 × 11,953
  4. Step 4: Simplify right side
    19,510.12x = 321,800,817.54
  5. Step 5: Solve for x
    x = 321,800,817.54/19,510.12
  6. Step 6: Final answer
    x = 16,494.05

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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.