Home / 14,119.32-19,479.51-8,454.24

Finding the Fourth Proportional to 14,119.32, 19,479.51 and 8,454.24

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Solution

The fourth proportional to 14,119.32, 19,479.51 and 8,454.24 is: 11,663.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.32 : 19,479.51 = 8,454.24 : x
  2. Step 2: Convert to fraction form
    14,119.32/19,479.51 = 8,454.24/x
  3. Step 3: Cross multiply
    14,119.32x = 19,479.51 × 8,454.24
  4. Step 4: Simplify right side
    14,119.32x = 164,684,452.62
  5. Step 5: Solve for x
    x = 164,684,452.62/14,119.32
  6. Step 6: Final answer
    x = 11,663.77

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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.