Home / 14,798.04-20,421.33-8,083.80

Finding the Fourth Proportional to 14,798.04, 20,421.33 and 8,083.80

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Solution

The fourth proportional to 14,798.04, 20,421.33 and 8,083.80 is: 11,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,798.04 : 20,421.33 = 8,083.80 : x
  2. Step 2: Convert to fraction form
    14,798.04/20,421.33 = 8,083.80/x
  3. Step 3: Cross multiply
    14,798.04x = 20,421.33 × 8,083.80
  4. Step 4: Simplify right side
    14,798.04x = 165,081,947.45
  5. Step 5: Solve for x
    x = 165,081,947.45/14,798.04
  6. Step 6: Final answer
    x = 11,155.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.