Home / 13,503.52-20,255.28-6,926.05

Finding the Fourth Proportional to 13,503.52, 20,255.28 and 6,926.05

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Solution

The fourth proportional to 13,503.52, 20,255.28 and 6,926.05 is: 10,389.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503.52 : 20,255.28 = 6,926.05 : x
  2. Step 2: Convert to fraction form
    13,503.52/20,255.28 = 6,926.05/x
  3. Step 3: Cross multiply
    13,503.52x = 20,255.28 × 6,926.05
  4. Step 4: Simplify right side
    13,503.52x = 140,289,082.04
  5. Step 5: Solve for x
    x = 140,289,082.04/13,503.52
  6. Step 6: Final answer
    x = 10,389.08

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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.