Home / 14,445.03-19,931.89-8,157.27

Finding the Fourth Proportional to 14,445.03, 19,931.89 and 8,157.27

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Solution

The fourth proportional to 14,445.03, 19,931.89 and 8,157.27 is: 11,255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.03 : 19,931.89 = 8,157.27 : x
  2. Step 2: Convert to fraction form
    14,445.03/19,931.89 = 8,157.27/x
  3. Step 3: Cross multiply
    14,445.03x = 19,931.89 × 8,157.27
  4. Step 4: Simplify right side
    14,445.03x = 162,589,808.34
  5. Step 5: Solve for x
    x = 162,589,808.34/14,445.03
  6. Step 6: Final answer
    x = 11,255.76

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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.