Home / 19,045.15-28,572.56-5,718.07

Finding the Fourth Proportional to 19,045.15, 28,572.56 and 5,718.07

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Solution

The fourth proportional to 19,045.15, 28,572.56 and 5,718.07 is: 8,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,045.15 : 28,572.56 = 5,718.07 : x
  2. Step 2: Convert to fraction form
    19,045.15/28,572.56 = 5,718.07/x
  3. Step 3: Cross multiply
    19,045.15x = 28,572.56 × 5,718.07
  4. Step 4: Simplify right side
    19,045.15x = 163,379,898.16
  5. Step 5: Solve for x
    x = 163,379,898.16/19,045.15
  6. Step 6: Final answer
    x = 8,578.56

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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.