Home / 14,202.71-21,307.14-5,437.63

Finding the Fourth Proportional to 14,202.71, 21,307.14 and 5,437.63

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Solution

The fourth proportional to 14,202.71, 21,307.14 and 5,437.63 is: 8,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202.71 : 21,307.14 = 5,437.63 : x
  2. Step 2: Convert to fraction form
    14,202.71/21,307.14 = 5,437.63/x
  3. Step 3: Cross multiply
    14,202.71x = 21,307.14 × 5,437.63
  4. Step 4: Simplify right side
    14,202.71x = 115,860,237.14
  5. Step 5: Solve for x
    x = 115,860,237.14/14,202.71
  6. Step 6: Final answer
    x = 8,157.61

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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.