Home / 15,323.10-22,981.91-4,078.50

Finding the Fourth Proportional to 15,323.10, 22,981.91 and 4,078.50

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Solution

The fourth proportional to 15,323.10, 22,981.91 and 4,078.50 is: 6,117.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.10 : 22,981.91 = 4,078.50 : x
  2. Step 2: Convert to fraction form
    15,323.10/22,981.91 = 4,078.50/x
  3. Step 3: Cross multiply
    15,323.10x = 22,981.91 × 4,078.50
  4. Step 4: Simplify right side
    15,323.10x = 93,731,719.94
  5. Step 5: Solve for x
    x = 93,731,719.94/15,323.10
  6. Step 6: Final answer
    x = 6,117.02

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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.