Home / 14,172.66-21,262.05-4,312.71

Finding the Fourth Proportional to 14,172.66, 21,262.05 and 4,312.71

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Solution

The fourth proportional to 14,172.66, 21,262.05 and 4,312.71 is: 6,470.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.66 : 21,262.05 = 4,312.71 : x
  2. Step 2: Convert to fraction form
    14,172.66/21,262.05 = 4,312.71/x
  3. Step 3: Cross multiply
    14,172.66x = 21,262.05 × 4,312.71
  4. Step 4: Simplify right side
    14,172.66x = 91,697,055.66
  5. Step 5: Solve for x
    x = 91,697,055.66/14,172.66
  6. Step 6: Final answer
    x = 6,470.00

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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.