Home / 14,538.30-20,018.43-10,958.46

Finding the Fourth Proportional to 14,538.30, 20,018.43 and 10,958.46

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Solution

The fourth proportional to 14,538.30, 20,018.43 and 10,958.46 is: 15,089.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.30 : 20,018.43 = 10,958.46 : x
  2. Step 2: Convert to fraction form
    14,538.30/20,018.43 = 10,958.46/x
  3. Step 3: Cross multiply
    14,538.30x = 20,018.43 × 10,958.46
  4. Step 4: Simplify right side
    14,538.30x = 219,371,164.42
  5. Step 5: Solve for x
    x = 219,371,164.42/14,538.30
  6. Step 6: Final answer
    x = 15,089.19

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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.