Home / 14,622.41-20,178.86-7,908.03

Finding the Fourth Proportional to 14,622.41, 20,178.86 and 7,908.03

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Solution

The fourth proportional to 14,622.41, 20,178.86 and 7,908.03 is: 10,913.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.41 : 20,178.86 = 7,908.03 : x
  2. Step 2: Convert to fraction form
    14,622.41/20,178.86 = 7,908.03/x
  3. Step 3: Cross multiply
    14,622.41x = 20,178.86 × 7,908.03
  4. Step 4: Simplify right side
    14,622.41x = 159,574,990.71
  5. Step 5: Solve for x
    x = 159,574,990.71/14,622.41
  6. Step 6: Final answer
    x = 10,913.04

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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.