Home / 19,271.10-28,875.60-10,926.30

Finding the Fourth Proportional to 19,271.10, 28,875.60 and 10,926.30

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Solution

The fourth proportional to 19,271.10, 28,875.60 and 10,926.30 is: 16,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.10 : 28,875.60 = 10,926.30 : x
  2. Step 2: Convert to fraction form
    19,271.10/28,875.60 = 10,926.30/x
  3. Step 3: Cross multiply
    19,271.10x = 28,875.60 × 10,926.30
  4. Step 4: Simplify right side
    19,271.10x = 315,503,468.28
  5. Step 5: Solve for x
    x = 315,503,468.28/19,271.10
  6. Step 6: Final answer
    x = 16,371.85

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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.