Home / 14,403.83-21,590.95-5,517.08

Finding the Fourth Proportional to 14,403.83, 21,590.95 and 5,517.08

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Solution

The fourth proportional to 14,403.83, 21,590.95 and 5,517.08 is: 8,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.83 : 21,590.95 = 5,517.08 : x
  2. Step 2: Convert to fraction form
    14,403.83/21,590.95 = 5,517.08/x
  3. Step 3: Cross multiply
    14,403.83x = 21,590.95 × 5,517.08
  4. Step 4: Simplify right side
    14,403.83x = 119,118,951.34
  5. Step 5: Solve for x
    x = 119,118,951.34/14,403.83
  6. Step 6: Final answer
    x = 8,269.95

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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.