Home / 19,060.08-28,590.12-5,210.16

Finding the Fourth Proportional to 19,060.08, 28,590.12 and 5,210.16

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Solution

The fourth proportional to 19,060.08, 28,590.12 and 5,210.16 is: 7,815.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,060.08 : 28,590.12 = 5,210.16 : x
  2. Step 2: Convert to fraction form
    19,060.08/28,590.12 = 5,210.16/x
  3. Step 3: Cross multiply
    19,060.08x = 28,590.12 × 5,210.16
  4. Step 4: Simplify right side
    19,060.08x = 148,959,099.62
  5. Step 5: Solve for x
    x = 148,959,099.62/19,060.08
  6. Step 6: Final answer
    x = 7,815.24

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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.