Home / 14,657.30-20,226.95-7,942.74

Finding the Fourth Proportional to 14,657.30, 20,226.95 and 7,942.74

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Solution

The fourth proportional to 14,657.30, 20,226.95 and 7,942.74 is: 10,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,657.30 : 20,226.95 = 7,942.74 : x
  2. Step 2: Convert to fraction form
    14,657.30/20,226.95 = 7,942.74/x
  3. Step 3: Cross multiply
    14,657.30x = 20,226.95 × 7,942.74
  4. Step 4: Simplify right side
    14,657.30x = 160,657,263.99
  5. Step 5: Solve for x
    x = 160,657,263.99/14,657.30
  6. Step 6: Final answer
    x = 10,960.90

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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.