Home / 19,218.51-28,827.90-6,071.94

Finding the Fourth Proportional to 19,218.51, 28,827.90 and 6,071.94

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Solution

The fourth proportional to 19,218.51, 28,827.90 and 6,071.94 is: 9,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218.51 : 28,827.90 = 6,071.94 : x
  2. Step 2: Convert to fraction form
    19,218.51/28,827.90 = 6,071.94/x
  3. Step 3: Cross multiply
    19,218.51x = 28,827.90 × 6,071.94
  4. Step 4: Simplify right side
    19,218.51x = 175,041,279.13
  5. Step 5: Solve for x
    x = 175,041,279.13/19,218.51
  6. Step 6: Final answer
    x = 9,107.95

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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.