Home / 19,269.61-28,903.77-8,169.16

Finding the Fourth Proportional to 19,269.61, 28,903.77 and 8,169.16

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Solution

The fourth proportional to 19,269.61, 28,903.77 and 8,169.16 is: 12,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.61 : 28,903.77 = 8,169.16 : x
  2. Step 2: Convert to fraction form
    19,269.61/28,903.77 = 8,169.16/x
  3. Step 3: Cross multiply
    19,269.61x = 28,903.77 × 8,169.16
  4. Step 4: Simplify right side
    19,269.61x = 236,119,521.73
  5. Step 5: Solve for x
    x = 236,119,521.73/19,269.61
  6. Step 6: Final answer
    x = 12,253.47

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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.