Home / 14,861.23-20,507.91-8,889.34

Finding the Fourth Proportional to 14,861.23, 20,507.91 and 8,889.34

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Solution

The fourth proportional to 14,861.23, 20,507.91 and 8,889.34 is: 12,266.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,861.23 : 20,507.91 = 8,889.34 : x
  2. Step 2: Convert to fraction form
    14,861.23/20,507.91 = 8,889.34/x
  3. Step 3: Cross multiply
    14,861.23x = 20,507.91 × 8,889.34
  4. Step 4: Simplify right side
    14,861.23x = 182,301,784.68
  5. Step 5: Solve for x
    x = 182,301,784.68/14,861.23
  6. Step 6: Final answer
    x = 12,266.94

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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.