Home / 19,064.16-28,574.40-7,968.84

Finding the Fourth Proportional to 19,064.16, 28,574.40 and 7,968.84

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Solution

The fourth proportional to 19,064.16, 28,574.40 and 7,968.84 is: 11,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,064.16 : 28,574.40 = 7,968.84 : x
  2. Step 2: Convert to fraction form
    19,064.16/28,574.40 = 7,968.84/x
  3. Step 3: Cross multiply
    19,064.16x = 28,574.40 × 7,968.84
  4. Step 4: Simplify right side
    19,064.16x = 227,704,821.70
  5. Step 5: Solve for x
    x = 227,704,821.70/19,064.16
  6. Step 6: Final answer
    x = 11,944.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.