Home / 14,022.42-19,348.95-8,715.30

Finding the Fourth Proportional to 14,022.42, 19,348.95 and 8,715.30

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Solution

The fourth proportional to 14,022.42, 19,348.95 and 8,715.30 is: 12,025.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.42 : 19,348.95 = 8,715.30 : x
  2. Step 2: Convert to fraction form
    14,022.42/19,348.95 = 8,715.30/x
  3. Step 3: Cross multiply
    14,022.42x = 19,348.95 × 8,715.30
  4. Step 4: Simplify right side
    14,022.42x = 168,631,903.94
  5. Step 5: Solve for x
    x = 168,631,903.94/14,022.42
  6. Step 6: Final answer
    x = 12,025.88

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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.