Home / 14,435.88-19,921.85-8,148.25

Finding the Fourth Proportional to 14,435.88, 19,921.85 and 8,148.25

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Solution

The fourth proportional to 14,435.88, 19,921.85 and 8,148.25 is: 11,244.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435.88 : 19,921.85 = 8,148.25 : x
  2. Step 2: Convert to fraction form
    14,435.88/19,921.85 = 8,148.25/x
  3. Step 3: Cross multiply
    14,435.88x = 19,921.85 × 8,148.25
  4. Step 4: Simplify right side
    14,435.88x = 162,328,214.26
  5. Step 5: Solve for x
    x = 162,328,214.26/14,435.88
  6. Step 6: Final answer
    x = 11,244.77

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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.