Home / 13,700.95-20,554.46-4,343.83

Finding the Fourth Proportional to 13,700.95, 20,554.46 and 4,343.83

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Solution

The fourth proportional to 13,700.95, 20,554.46 and 4,343.83 is: 6,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700.95 : 20,554.46 = 4,343.83 : x
  2. Step 2: Convert to fraction form
    13,700.95/20,554.46 = 4,343.83/x
  3. Step 3: Cross multiply
    13,700.95x = 20,554.46 × 4,343.83
  4. Step 4: Simplify right side
    13,700.95x = 89,285,023.17
  5. Step 5: Solve for x
    x = 89,285,023.17/13,700.95
  6. Step 6: Final answer
    x = 6,516.70

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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.