Home / 19,069.93-28,611.11-9,210.34

Finding the Fourth Proportional to 19,069.93, 28,611.11 and 9,210.34

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Solution

The fourth proportional to 19,069.93, 28,611.11 and 9,210.34 is: 13,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.93 : 28,611.11 = 9,210.34 : x
  2. Step 2: Convert to fraction form
    19,069.93/28,611.11 = 9,210.34/x
  3. Step 3: Cross multiply
    19,069.93x = 28,611.11 × 9,210.34
  4. Step 4: Simplify right side
    19,069.93x = 263,518,050.88
  5. Step 5: Solve for x
    x = 263,518,050.88/19,069.93
  6. Step 6: Final answer
    x = 13,818.51

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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.