Home / 16,461.20-24,659.40-9,867.80

Finding the Fourth Proportional to 16,461.20, 24,659.40 and 9,867.80

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Solution

The fourth proportional to 16,461.20, 24,659.40 and 9,867.80 is: 14,782.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,461.20 : 24,659.40 = 9,867.80 : x
  2. Step 2: Convert to fraction form
    16,461.20/24,659.40 = 9,867.80/x
  3. Step 3: Cross multiply
    16,461.20x = 24,659.40 × 9,867.80
  4. Step 4: Simplify right side
    16,461.20x = 243,334,027.32
  5. Step 5: Solve for x
    x = 243,334,027.32/16,461.20
  6. Step 6: Final answer
    x = 14,782.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.