Home / 19,125.15-28,677.88-8,586.16

Finding the Fourth Proportional to 19,125.15, 28,677.88 and 8,586.16

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Solution

The fourth proportional to 19,125.15, 28,677.88 and 8,586.16 is: 12,874.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.15 : 28,677.88 = 8,586.16 : x
  2. Step 2: Convert to fraction form
    19,125.15/28,677.88 = 8,586.16/x
  3. Step 3: Cross multiply
    19,125.15x = 28,677.88 × 8,586.16
  4. Step 4: Simplify right side
    19,125.15x = 246,232,866.14
  5. Step 5: Solve for x
    x = 246,232,866.14/19,125.15
  6. Step 6: Final answer
    x = 12,874.82

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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.