Home / 14,590.86-20,135.37-8,304.45

Finding the Fourth Proportional to 14,590.86, 20,135.37 and 8,304.45

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Solution

The fourth proportional to 14,590.86, 20,135.37 and 8,304.45 is: 11,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.86 : 20,135.37 = 8,304.45 : x
  2. Step 2: Convert to fraction form
    14,590.86/20,135.37 = 8,304.45/x
  3. Step 3: Cross multiply
    14,590.86x = 20,135.37 × 8,304.45
  4. Step 4: Simplify right side
    14,590.86x = 167,213,173.40
  5. Step 5: Solve for x
    x = 167,213,173.40/14,590.86
  6. Step 6: Final answer
    x = 11,460.13

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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.