Home / 19,721.40-29,582.32-6,573.76

Finding the Fourth Proportional to 19,721.40, 29,582.32 and 6,573.76

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Solution

The fourth proportional to 19,721.40, 29,582.32 and 6,573.76 is: 9,860.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721.40 : 29,582.32 = 6,573.76 : x
  2. Step 2: Convert to fraction form
    19,721.40/29,582.32 = 6,573.76/x
  3. Step 3: Cross multiply
    19,721.40x = 29,582.32 × 6,573.76
  4. Step 4: Simplify right side
    19,721.40x = 194,467,071.92
  5. Step 5: Solve for x
    x = 194,467,071.92/19,721.40
  6. Step 6: Final answer
    x = 9,860.71

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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.