Home / 19,168.32-26,450.64-11,209.68

Finding the Fourth Proportional to 19,168.32, 26,450.64 and 11,209.68

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Solution

The fourth proportional to 19,168.32, 26,450.64 and 11,209.68 is: 15,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.32 : 26,450.64 = 11,209.68 : x
  2. Step 2: Convert to fraction form
    19,168.32/26,450.64 = 11,209.68/x
  3. Step 3: Cross multiply
    19,168.32x = 26,450.64 × 11,209.68
  4. Step 4: Simplify right side
    19,168.32x = 296,503,210.20
  5. Step 5: Solve for x
    x = 296,503,210.20/19,168.32
  6. Step 6: Final answer
    x = 15,468.40

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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.