Home / 14,190.58-19,572.60-9,401.86

Finding the Fourth Proportional to 14,190.58, 19,572.60 and 9,401.86

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Solution

The fourth proportional to 14,190.58, 19,572.60 and 9,401.86 is: 12,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.58 : 19,572.60 = 9,401.86 : x
  2. Step 2: Convert to fraction form
    14,190.58/19,572.60 = 9,401.86/x
  3. Step 3: Cross multiply
    14,190.58x = 19,572.60 × 9,401.86
  4. Step 4: Simplify right side
    14,190.58x = 184,018,845.04
  5. Step 5: Solve for x
    x = 184,018,845.04/14,190.58
  6. Step 6: Final answer
    x = 12,967.68

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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.