Home / 14,646.08-20,211.33-7,931.65

Finding the Fourth Proportional to 14,646.08, 20,211.33 and 7,931.65

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Solution

The fourth proportional to 14,646.08, 20,211.33 and 7,931.65 is: 10,945.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646.08 : 20,211.33 = 7,931.65 : x
  2. Step 2: Convert to fraction form
    14,646.08/20,211.33 = 7,931.65/x
  3. Step 3: Cross multiply
    14,646.08x = 20,211.33 × 7,931.65
  4. Step 4: Simplify right side
    14,646.08x = 160,309,174.81
  5. Step 5: Solve for x
    x = 160,309,174.81/14,646.08
  6. Step 6: Final answer
    x = 10,945.54

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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.