Home / 14,290.92-21,433.68-11,533.68

Finding the Fourth Proportional to 14,290.92, 21,433.68 and 11,533.68

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Solution

The fourth proportional to 14,290.92, 21,433.68 and 11,533.68 is: 17,298.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.92 : 21,433.68 = 11,533.68 : x
  2. Step 2: Convert to fraction form
    14,290.92/21,433.68 = 11,533.68/x
  3. Step 3: Cross multiply
    14,290.92x = 21,433.68 × 11,533.68
  4. Step 4: Simplify right side
    14,290.92x = 247,209,206.34
  5. Step 5: Solve for x
    x = 247,209,206.34/14,290.92
  6. Step 6: Final answer
    x = 17,298.34

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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.