Home / 14,148.71-21,223.04-3,760.46

Finding the Fourth Proportional to 14,148.71, 21,223.04 and 3,760.46

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Solution

The fourth proportional to 14,148.71, 21,223.04 and 3,760.46 is: 5,640.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.71 : 21,223.04 = 3,760.46 : x
  2. Step 2: Convert to fraction form
    14,148.71/21,223.04 = 3,760.46/x
  3. Step 3: Cross multiply
    14,148.71x = 21,223.04 × 3,760.46
  4. Step 4: Simplify right side
    14,148.71x = 79,808,368.82
  5. Step 5: Solve for x
    x = 79,808,368.82/14,148.71
  6. Step 6: Final answer
    x = 5,640.68

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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.