Home / 19,384.40-26,691.24-14,611.28

Finding the Fourth Proportional to 19,384.40, 26,691.24 and 14,611.28

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Solution

The fourth proportional to 19,384.40, 26,691.24 and 14,611.28 is: 20,118.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.40 : 26,691.24 = 14,611.28 : x
  2. Step 2: Convert to fraction form
    19,384.40/26,691.24 = 14,611.28/x
  3. Step 3: Cross multiply
    19,384.40x = 26,691.24 × 14,611.28
  4. Step 4: Simplify right side
    19,384.40x = 389,993,181.19
  5. Step 5: Solve for x
    x = 389,993,181.19/19,384.40
  6. Step 6: Final answer
    x = 20,118.92

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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.