Home / 19,678.08-29,521.44-5,828.16

Finding the Fourth Proportional to 19,678.08, 29,521.44 and 5,828.16

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Solution

The fourth proportional to 19,678.08, 29,521.44 and 5,828.16 is: 8,743.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,678.08 : 29,521.44 = 5,828.16 : x
  2. Step 2: Convert to fraction form
    19,678.08/29,521.44 = 5,828.16/x
  3. Step 3: Cross multiply
    19,678.08x = 29,521.44 × 5,828.16
  4. Step 4: Simplify right side
    19,678.08x = 172,055,675.75
  5. Step 5: Solve for x
    x = 172,055,675.75/19,678.08
  6. Step 6: Final answer
    x = 8,743.52

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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.