Home / 14,920.60-20,591.52-9,876.04

Finding the Fourth Proportional to 14,920.60, 20,591.52 and 9,876.04

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Solution

The fourth proportional to 14,920.60, 20,591.52 and 9,876.04 is: 13,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.60 : 20,591.52 = 9,876.04 : x
  2. Step 2: Convert to fraction form
    14,920.60/20,591.52 = 9,876.04/x
  3. Step 3: Cross multiply
    14,920.60x = 20,591.52 × 9,876.04
  4. Step 4: Simplify right side
    14,920.60x = 203,362,675.18
  5. Step 5: Solve for x
    x = 203,362,675.18/14,920.60
  6. Step 6: Final answer
    x = 13,629.66

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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.