Home / 14,011.28-20,998.20-10,296.08

Finding the Fourth Proportional to 14,011.28, 20,998.20 and 10,296.08

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Solution

The fourth proportional to 14,011.28, 20,998.20 and 10,296.08 is: 15,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.28 : 20,998.20 = 10,296.08 : x
  2. Step 2: Convert to fraction form
    14,011.28/20,998.20 = 10,296.08/x
  3. Step 3: Cross multiply
    14,011.28x = 20,998.20 × 10,296.08
  4. Step 4: Simplify right side
    14,011.28x = 216,199,147.06
  5. Step 5: Solve for x
    x = 216,199,147.06/14,011.28
  6. Step 6: Final answer
    x = 15,430.36

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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.