Home / 19,170.32-26,454.66-10,786.76

Finding the Fourth Proportional to 19,170.32, 26,454.66 and 10,786.76

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Solution

The fourth proportional to 19,170.32, 26,454.66 and 10,786.76 is: 14,885.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.32 : 26,454.66 = 10,786.76 : x
  2. Step 2: Convert to fraction form
    19,170.32/26,454.66 = 10,786.76/x
  3. Step 3: Cross multiply
    19,170.32x = 26,454.66 × 10,786.76
  4. Step 4: Simplify right side
    19,170.32x = 285,360,068.30
  5. Step 5: Solve for x
    x = 285,360,068.30/19,170.32
  6. Step 6: Final answer
    x = 14,885.51

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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.