Home / 14,496.42-21,737.78-5,615.91

Finding the Fourth Proportional to 14,496.42, 21,737.78 and 5,615.91

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Solution

The fourth proportional to 14,496.42, 21,737.78 and 5,615.91 is: 8,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,496.42 : 21,737.78 = 5,615.91 : x
  2. Step 2: Convert to fraction form
    14,496.42/21,737.78 = 5,615.91/x
  3. Step 3: Cross multiply
    14,496.42x = 21,737.78 × 5,615.91
  4. Step 4: Simplify right side
    14,496.42x = 122,077,511.64
  5. Step 5: Solve for x
    x = 122,077,511.64/14,496.42
  6. Step 6: Final answer
    x = 8,421.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.