Home / 19,970.19-29,950.16-5,926.90

Finding the Fourth Proportional to 19,970.19, 29,950.16 and 5,926.90

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Solution

The fourth proportional to 19,970.19, 29,950.16 and 5,926.90 is: 8,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.19 : 29,950.16 = 5,926.90 : x
  2. Step 2: Convert to fraction form
    19,970.19/29,950.16 = 5,926.90/x
  3. Step 3: Cross multiply
    19,970.19x = 29,950.16 × 5,926.90
  4. Step 4: Simplify right side
    19,970.19x = 177,511,498.79
  5. Step 5: Solve for x
    x = 177,511,498.79/19,970.19
  6. Step 6: Final answer
    x = 8,888.82

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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.