Home / 14,445.14-19,932.68-8,157.51

Finding the Fourth Proportional to 14,445.14, 19,932.68 and 8,157.51

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Solution

The fourth proportional to 14,445.14, 19,932.68 and 8,157.51 is: 11,256.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.14 : 19,932.68 = 8,157.51 : x
  2. Step 2: Convert to fraction form
    14,445.14/19,932.68 = 8,157.51/x
  3. Step 3: Cross multiply
    14,445.14x = 19,932.68 × 8,157.51
  4. Step 4: Simplify right side
    14,445.14x = 162,601,056.82
  5. Step 5: Solve for x
    x = 162,601,056.82/14,445.14
  6. Step 6: Final answer
    x = 11,256.46

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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.