Home / 19,184.06-28,746.23-7,331.36

Finding the Fourth Proportional to 19,184.06, 28,746.23 and 7,331.36

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Solution

The fourth proportional to 19,184.06, 28,746.23 and 7,331.36 is: 10,985.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.06 : 28,746.23 = 7,331.36 : x
  2. Step 2: Convert to fraction form
    19,184.06/28,746.23 = 7,331.36/x
  3. Step 3: Cross multiply
    19,184.06x = 28,746.23 × 7,331.36
  4. Step 4: Simplify right side
    19,184.06x = 210,748,780.38
  5. Step 5: Solve for x
    x = 210,748,780.38/19,184.06
  6. Step 6: Final answer
    x = 10,985.62

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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.