Home / 19,541.18-29,311.81-4,750.11

Finding the Fourth Proportional to 19,541.18, 29,311.81 and 4,750.11

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Solution

The fourth proportional to 19,541.18, 29,311.81 and 4,750.11 is: 7,125.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,541.18 : 29,311.81 = 4,750.11 : x
  2. Step 2: Convert to fraction form
    19,541.18/29,311.81 = 4,750.11/x
  3. Step 3: Cross multiply
    19,541.18x = 29,311.81 × 4,750.11
  4. Step 4: Simplify right side
    19,541.18x = 139,234,309.92
  5. Step 5: Solve for x
    x = 139,234,309.92/19,541.18
  6. Step 6: Final answer
    x = 7,125.17

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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.