Home / 19,300.44-26,639.10-10,919.64

Finding the Fourth Proportional to 19,300.44, 26,639.10 and 10,919.64

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Solution

The fourth proportional to 19,300.44, 26,639.10 and 10,919.64 is: 15,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.44 : 26,639.10 = 10,919.64 : x
  2. Step 2: Convert to fraction form
    19,300.44/26,639.10 = 10,919.64/x
  3. Step 3: Cross multiply
    19,300.44x = 26,639.10 × 10,919.64
  4. Step 4: Simplify right side
    19,300.44x = 290,889,381.92
  5. Step 5: Solve for x
    x = 290,889,381.92/19,300.44
  6. Step 6: Final answer
    x = 15,071.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.