Home / 19,336.20-29,015.28-11,528.64

Finding the Fourth Proportional to 19,336.20, 29,015.28 and 11,528.64

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Solution

The fourth proportional to 19,336.20, 29,015.28 and 11,528.64 is: 17,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336.20 : 29,015.28 = 11,528.64 : x
  2. Step 2: Convert to fraction form
    19,336.20/29,015.28 = 11,528.64/x
  3. Step 3: Cross multiply
    19,336.20x = 29,015.28 × 11,528.64
  4. Step 4: Simplify right side
    19,336.20x = 334,506,717.62
  5. Step 5: Solve for x
    x = 334,506,717.62/19,336.20
  6. Step 6: Final answer
    x = 17,299.51

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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.