Home / 16,889.50-25,336.95-13,762.09

Finding the Fourth Proportional to 16,889.50, 25,336.95 and 13,762.09

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Solution

The fourth proportional to 16,889.50, 25,336.95 and 13,762.09 is: 20,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,889.50 : 25,336.95 = 13,762.09 : x
  2. Step 2: Convert to fraction form
    16,889.50/25,336.95 = 13,762.09/x
  3. Step 3: Cross multiply
    16,889.50x = 25,336.95 × 13,762.09
  4. Step 4: Simplify right side
    16,889.50x = 348,689,386.23
  5. Step 5: Solve for x
    x = 348,689,386.23/16,889.50
  6. Step 6: Final answer
    x = 20,645.34

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1.5x scale

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.