Home / 14,670.12-20,241.09-8,701.50

Finding the Fourth Proportional to 14,670.12, 20,241.09 and 8,701.50

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Solution

The fourth proportional to 14,670.12, 20,241.09 and 8,701.50 is: 12,005.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.12 : 20,241.09 = 8,701.50 : x
  2. Step 2: Convert to fraction form
    14,670.12/20,241.09 = 8,701.50/x
  3. Step 3: Cross multiply
    14,670.12x = 20,241.09 × 8,701.50
  4. Step 4: Simplify right side
    14,670.12x = 176,127,844.64
  5. Step 5: Solve for x
    x = 176,127,844.64/14,670.12
  6. Step 6: Final answer
    x = 12,005.89

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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.