Home / 19,705.76-29,558.88-5,666.24

Finding the Fourth Proportional to 19,705.76, 29,558.88 and 5,666.24

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Solution

The fourth proportional to 19,705.76, 29,558.88 and 5,666.24 is: 8,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,705.76 : 29,558.88 = 5,666.24 : x
  2. Step 2: Convert to fraction form
    19,705.76/29,558.88 = 5,666.24/x
  3. Step 3: Cross multiply
    19,705.76x = 29,558.88 × 5,666.24
  4. Step 4: Simplify right side
    19,705.76x = 167,487,708.21
  5. Step 5: Solve for x
    x = 167,487,708.21/19,705.76
  6. Step 6: Final answer
    x = 8,499.43

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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.