Home / 16,721.48-25,100.40-12,573.38

Finding the Fourth Proportional to 16,721.48, 25,100.40 and 12,573.38

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Solution

The fourth proportional to 16,721.48, 25,100.40 and 12,573.38 is: 18,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.48 : 25,100.40 = 12,573.38 : x
  2. Step 2: Convert to fraction form
    16,721.48/25,100.40 = 12,573.38/x
  3. Step 3: Cross multiply
    16,721.48x = 25,100.40 × 12,573.38
  4. Step 4: Simplify right side
    16,721.48x = 315,596,867.35
  5. Step 5: Solve for x
    x = 315,596,867.35/16,721.48
  6. Step 6: Final answer
    x = 18,873.74

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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.