Home / 19,802.08-29,698.26-8,711.56

Finding the Fourth Proportional to 19,802.08, 29,698.26 and 8,711.56

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Solution

The fourth proportional to 19,802.08, 29,698.26 and 8,711.56 is: 13,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802.08 : 29,698.26 = 8,711.56 : x
  2. Step 2: Convert to fraction form
    19,802.08/29,698.26 = 8,711.56/x
  3. Step 3: Cross multiply
    19,802.08x = 29,698.26 × 8,711.56
  4. Step 4: Simplify right side
    19,802.08x = 258,718,173.89
  5. Step 5: Solve for x
    x = 258,718,173.89/19,802.08
  6. Step 6: Final answer
    x = 13,065.20

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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.