Home / 19,271.16-28,893.98-10,955.09

Finding the Fourth Proportional to 19,271.16, 28,893.98 and 10,955.09

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Solution

The fourth proportional to 19,271.16, 28,893.98 and 10,955.09 is: 16,425.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.16 : 28,893.98 = 10,955.09 : x
  2. Step 2: Convert to fraction form
    19,271.16/28,893.98 = 10,955.09/x
  3. Step 3: Cross multiply
    19,271.16x = 28,893.98 × 10,955.09
  4. Step 4: Simplify right side
    19,271.16x = 316,536,250.98
  5. Step 5: Solve for x
    x = 316,536,250.98/19,271.16
  6. Step 6: Final answer
    x = 16,425.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.