Home / 19,029.79-28,544.14-8,509.51

Finding the Fourth Proportional to 19,029.79, 28,544.14 and 8,509.51

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Solution

The fourth proportional to 19,029.79, 28,544.14 and 8,509.51 is: 12,764.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.79 : 28,544.14 = 8,509.51 : x
  2. Step 2: Convert to fraction form
    19,029.79/28,544.14 = 8,509.51/x
  3. Step 3: Cross multiply
    19,029.79x = 28,544.14 × 8,509.51
  4. Step 4: Simplify right side
    19,029.79x = 242,896,644.77
  5. Step 5: Solve for x
    x = 242,896,644.77/19,029.79
  6. Step 6: Final answer
    x = 12,764.02

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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.