Home / 16,254.60-22,430.64-9,181.68

Finding the Fourth Proportional to 16,254.60, 22,430.64 and 9,181.68

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Solution

The fourth proportional to 16,254.60, 22,430.64 and 9,181.68 is: 12,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,254.60 : 22,430.64 = 9,181.68 : x
  2. Step 2: Convert to fraction form
    16,254.60/22,430.64 = 9,181.68/x
  3. Step 3: Cross multiply
    16,254.60x = 22,430.64 × 9,181.68
  4. Step 4: Simplify right side
    16,254.60x = 205,950,958.68
  5. Step 5: Solve for x
    x = 205,950,958.68/16,254.60
  6. Step 6: Final answer
    x = 12,670.32

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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.