Home / 14,783.42-22,182.69-6,990.14

Finding the Fourth Proportional to 14,783.42, 22,182.69 and 6,990.14

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Solution

The fourth proportional to 14,783.42, 22,182.69 and 6,990.14 is: 10,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,783.42 : 22,182.69 = 6,990.14 : x
  2. Step 2: Convert to fraction form
    14,783.42/22,182.69 = 6,990.14/x
  3. Step 3: Cross multiply
    14,783.42x = 22,182.69 × 6,990.14
  4. Step 4: Simplify right side
    14,783.42x = 155,060,108.68
  5. Step 5: Solve for x
    x = 155,060,108.68/14,783.42
  6. Step 6: Final answer
    x = 10,488.78

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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.