Home / 14,719.42-22,079.73-6,922.78

Finding the Fourth Proportional to 14,719.42, 22,079.73 and 6,922.78

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Solution

The fourth proportional to 14,719.42, 22,079.73 and 6,922.78 is: 10,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.42 : 22,079.73 = 6,922.78 : x
  2. Step 2: Convert to fraction form
    14,719.42/22,079.73 = 6,922.78/x
  3. Step 3: Cross multiply
    14,719.42x = 22,079.73 × 6,922.78
  4. Step 4: Simplify right side
    14,719.42x = 152,853,113.25
  5. Step 5: Solve for x
    x = 152,853,113.25/14,719.42
  6. Step 6: Final answer
    x = 10,384.45

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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.