Home / 13,417.46-20,126.20-4,652.38

Finding the Fourth Proportional to 13,417.46, 20,126.20 and 4,652.38

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Solution

The fourth proportional to 13,417.46, 20,126.20 and 4,652.38 is: 6,978.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.46 : 20,126.20 = 4,652.38 : x
  2. Step 2: Convert to fraction form
    13,417.46/20,126.20 = 4,652.38/x
  3. Step 3: Cross multiply
    13,417.46x = 20,126.20 × 4,652.38
  4. Step 4: Simplify right side
    13,417.46x = 93,634,730.36
  5. Step 5: Solve for x
    x = 93,634,730.36/13,417.46
  6. Step 6: Final answer
    x = 6,978.57

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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.