Home / 14,010.36-21,002.58-5,251.02

Finding the Fourth Proportional to 14,010.36, 21,002.58 and 5,251.02

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Solution

The fourth proportional to 14,010.36, 21,002.58 and 5,251.02 is: 7,871.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.36 : 21,002.58 = 5,251.02 : x
  2. Step 2: Convert to fraction form
    14,010.36/21,002.58 = 5,251.02/x
  3. Step 3: Cross multiply
    14,010.36x = 21,002.58 × 5,251.02
  4. Step 4: Simplify right side
    14,010.36x = 110,284,967.63
  5. Step 5: Solve for x
    x = 110,284,967.63/14,010.36
  6. Step 6: Final answer
    x = 7,871.67

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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.