Home / 19,056.87-28,587.23-5,205.99

Finding the Fourth Proportional to 19,056.87, 28,587.23 and 5,205.99

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Solution

The fourth proportional to 19,056.87, 28,587.23 and 5,205.99 is: 7,809.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,056.87 : 28,587.23 = 5,205.99 : x
  2. Step 2: Convert to fraction form
    19,056.87/28,587.23 = 5,205.99/x
  3. Step 3: Cross multiply
    19,056.87x = 28,587.23 × 5,205.99
  4. Step 4: Simplify right side
    19,056.87x = 148,824,807.48
  5. Step 5: Solve for x
    x = 148,824,807.48/19,056.87
  6. Step 6: Final answer
    x = 7,809.51

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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.