Home / 27,456.06-37,889.61-14,880.81

Finding the Fourth Proportional to 27,456.06, 37,889.61 and 14,880.81

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Solution

The fourth proportional to 27,456.06, 37,889.61 and 14,880.81 is: 20,535.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,456.06 : 37,889.61 = 14,880.81 : x
  2. Step 2: Convert to fraction form
    27,456.06/37,889.61 = 14,880.81/x
  3. Step 3: Cross multiply
    27,456.06x = 37,889.61 × 14,880.81
  4. Step 4: Simplify right side
    27,456.06x = 563,828,173.67
  5. Step 5: Solve for x
    x = 563,828,173.67/27,456.06
  6. Step 6: Final answer
    x = 20,535.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.