Home / 14,621.92-20,158.50-12,628.24

Finding the Fourth Proportional to 14,621.92, 20,158.50 and 12,628.24

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Solution

The fourth proportional to 14,621.92, 20,158.50 and 12,628.24 is: 17,409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.92 : 20,158.50 = 12,628.24 : x
  2. Step 2: Convert to fraction form
    14,621.92/20,158.50 = 12,628.24/x
  3. Step 3: Cross multiply
    14,621.92x = 20,158.50 × 12,628.24
  4. Step 4: Simplify right side
    14,621.92x = 254,566,376.04
  5. Step 5: Solve for x
    x = 254,566,376.04/14,621.92
  6. Step 6: Final answer
    x = 17,409.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.