Home / 14,621.96-20,180.16-9,590.40

Finding the Fourth Proportional to 14,621.96, 20,180.16 and 9,590.40

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Solution

The fourth proportional to 14,621.96, 20,180.16 and 9,590.40 is: 13,235.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.96 : 20,180.16 = 9,590.40 : x
  2. Step 2: Convert to fraction form
    14,621.96/20,180.16 = 9,590.40/x
  3. Step 3: Cross multiply
    14,621.96x = 20,180.16 × 9,590.40
  4. Step 4: Simplify right side
    14,621.96x = 193,535,806.46
  5. Step 5: Solve for x
    x = 193,535,806.46/14,621.96
  6. Step 6: Final answer
    x = 13,235.97

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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.