Home / 19,516.82-26,931.15-14,415.03

Finding the Fourth Proportional to 19,516.82, 26,931.15 and 14,415.03

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Solution

The fourth proportional to 19,516.82, 26,931.15 and 14,415.03 is: 19,891.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.82 : 26,931.15 = 14,415.03 : x
  2. Step 2: Convert to fraction form
    19,516.82/26,931.15 = 14,415.03/x
  3. Step 3: Cross multiply
    19,516.82x = 26,931.15 × 14,415.03
  4. Step 4: Simplify right side
    19,516.82x = 388,213,335.18
  5. Step 5: Solve for x
    x = 388,213,335.18/19,516.82
  6. Step 6: Final answer
    x = 19,891.22

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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.