Home / 16,315.28-22,516.20-9,241.76

Finding the Fourth Proportional to 16,315.28, 22,516.20 and 9,241.76

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Solution

The fourth proportional to 16,315.28, 22,516.20 and 9,241.76 is: 12,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,315.28 : 22,516.20 = 9,241.76 : x
  2. Step 2: Convert to fraction form
    16,315.28/22,516.20 = 9,241.76/x
  3. Step 3: Cross multiply
    16,315.28x = 22,516.20 × 9,241.76
  4. Step 4: Simplify right side
    16,315.28x = 208,089,316.51
  5. Step 5: Solve for x
    x = 208,089,316.51/16,315.28
  6. Step 6: Final answer
    x = 12,754.26

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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.