Home / 14,821.59-20,441.98-12,590.85

Finding the Fourth Proportional to 14,821.59, 20,441.98 and 12,590.85

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Solution

The fourth proportional to 14,821.59, 20,441.98 and 12,590.85 is: 17,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821.59 : 20,441.98 = 12,590.85 : x
  2. Step 2: Convert to fraction form
    14,821.59/20,441.98 = 12,590.85/x
  3. Step 3: Cross multiply
    14,821.59x = 20,441.98 × 12,590.85
  4. Step 4: Simplify right side
    14,821.59x = 257,381,903.88
  5. Step 5: Solve for x
    x = 257,381,903.88/14,821.59
  6. Step 6: Final answer
    x = 17,365.34

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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.