Home / 14,020.42-21,027.65-5,255.98

Finding the Fourth Proportional to 14,020.42, 21,027.65 and 5,255.98

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Solution

The fourth proportional to 14,020.42, 21,027.65 and 5,255.98 is: 7,882.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.42 : 21,027.65 = 5,255.98 : x
  2. Step 2: Convert to fraction form
    14,020.42/21,027.65 = 5,255.98/x
  3. Step 3: Cross multiply
    14,020.42x = 21,027.65 × 5,255.98
  4. Step 4: Simplify right side
    14,020.42x = 110,520,802.71
  5. Step 5: Solve for x
    x = 110,520,802.71/14,020.42
  6. Step 6: Final answer
    x = 7,882.85

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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.