Home / 19,255.10-28,897.67-9,894.74

Finding the Fourth Proportional to 19,255.10, 28,897.67 and 9,894.74

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Solution

The fourth proportional to 19,255.10, 28,897.67 and 9,894.74 is: 14,849.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.10 : 28,897.67 = 9,894.74 : x
  2. Step 2: Convert to fraction form
    19,255.10/28,897.67 = 9,894.74/x
  3. Step 3: Cross multiply
    19,255.10x = 28,897.67 × 9,894.74
  4. Step 4: Simplify right side
    19,255.10x = 285,934,811.50
  5. Step 5: Solve for x
    x = 285,934,811.50/19,255.10
  6. Step 6: Final answer
    x = 14,849.83

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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.