Home / 27,455.79-37,887.97-14,880.27

Finding the Fourth Proportional to 27,455.79, 37,887.97 and 14,880.27

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Solution

The fourth proportional to 27,455.79, 37,887.97 and 14,880.27 is: 20,534.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,455.79 : 37,887.97 = 14,880.27 : x
  2. Step 2: Convert to fraction form
    27,455.79/37,887.97 = 14,880.27/x
  3. Step 3: Cross multiply
    27,455.79x = 37,887.97 × 14,880.27
  4. Step 4: Simplify right side
    27,455.79x = 563,783,223.35
  5. Step 5: Solve for x
    x = 563,783,223.35/27,455.79
  6. Step 6: Final answer
    x = 20,534.22

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1.5x scale

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.