Home / 28,663.70-39,558.03-17,333.63

Finding the Fourth Proportional to 28,663.70, 39,558.03 and 17,333.63

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Solution

The fourth proportional to 28,663.70, 39,558.03 and 17,333.63 is: 23,921.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.70 : 39,558.03 = 17,333.63 : x
  2. Step 2: Convert to fraction form
    28,663.70/39,558.03 = 17,333.63/x
  3. Step 3: Cross multiply
    28,663.70x = 39,558.03 × 17,333.63
  4. Step 4: Simplify right side
    28,663.70x = 685,684,255.55
  5. Step 5: Solve for x
    x = 685,684,255.55/28,663.70
  6. Step 6: Final answer
    x = 23,921.69

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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.