Home / 14,289.12-21,437.52-6,282.42

Finding the Fourth Proportional to 14,289.12, 21,437.52 and 6,282.42

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Solution

The fourth proportional to 14,289.12, 21,437.52 and 6,282.42 is: 9,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.12 : 21,437.52 = 6,282.42 : x
  2. Step 2: Convert to fraction form
    14,289.12/21,437.52 = 6,282.42/x
  3. Step 3: Cross multiply
    14,289.12x = 21,437.52 × 6,282.42
  4. Step 4: Simplify right side
    14,289.12x = 134,679,504.40
  5. Step 5: Solve for x
    x = 134,679,504.40/14,289.12
  6. Step 6: Final answer
    x = 9,425.32

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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.