Home / 14,590.72-20,130.48-8,301.84

Finding the Fourth Proportional to 14,590.72, 20,130.48 and 8,301.84

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Solution

The fourth proportional to 14,590.72, 20,130.48 and 8,301.84 is: 11,453.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.72 : 20,130.48 = 8,301.84 : x
  2. Step 2: Convert to fraction form
    14,590.72/20,130.48 = 8,301.84/x
  3. Step 3: Cross multiply
    14,590.72x = 20,130.48 × 8,301.84
  4. Step 4: Simplify right side
    14,590.72x = 167,120,024.08
  5. Step 5: Solve for x
    x = 167,120,024.08/14,590.72
  6. Step 6: Final answer
    x = 11,453.86

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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.