Home / 14,607.48-20,159.10-8,321.88

Finding the Fourth Proportional to 14,607.48, 20,159.10 and 8,321.88

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Solution

The fourth proportional to 14,607.48, 20,159.10 and 8,321.88 is: 11,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,607.48 : 20,159.10 = 8,321.88 : x
  2. Step 2: Convert to fraction form
    14,607.48/20,159.10 = 8,321.88/x
  3. Step 3: Cross multiply
    14,607.48x = 20,159.10 × 8,321.88
  4. Step 4: Simplify right side
    14,607.48x = 167,761,611.11
  5. Step 5: Solve for x
    x = 167,761,611.11/14,607.48
  6. Step 6: Final answer
    x = 11,484.64

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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.