Home / 19,274.39-26,557.16-12,975.83

Finding the Fourth Proportional to 19,274.39, 26,557.16 and 12,975.83

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Solution

The fourth proportional to 19,274.39, 26,557.16 and 12,975.83 is: 17,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,274.39 : 26,557.16 = 12,975.83 : x
  2. Step 2: Convert to fraction form
    19,274.39/26,557.16 = 12,975.83/x
  3. Step 3: Cross multiply
    19,274.39x = 26,557.16 × 12,975.83
  4. Step 4: Simplify right side
    19,274.39x = 344,600,995.78
  5. Step 5: Solve for x
    x = 344,600,995.78/19,274.39
  6. Step 6: Final answer
    x = 17,878.70

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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.