Home / 14,434.72-19,921.08-8,148.04

Finding the Fourth Proportional to 14,434.72, 19,921.08 and 8,148.04

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Solution

The fourth proportional to 14,434.72, 19,921.08 and 8,148.04 is: 11,244.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,434.72 : 19,921.08 = 8,148.04 : x
  2. Step 2: Convert to fraction form
    14,434.72/19,921.08 = 8,148.04/x
  3. Step 3: Cross multiply
    14,434.72x = 19,921.08 × 8,148.04
  4. Step 4: Simplify right side
    14,434.72x = 162,317,756.68
  5. Step 5: Solve for x
    x = 162,317,756.68/14,434.72
  6. Step 6: Final answer
    x = 11,244.95

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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.