Home / 39,220.96-58,814.40-14,252.72

Finding the Fourth Proportional to 39,220.96, 58,814.40 and 14,252.72

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Solution

The fourth proportional to 39,220.96, 58,814.40 and 14,252.72 is: 21,372.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220.96 : 58,814.40 = 14,252.72 : x
  2. Step 2: Convert to fraction form
    39,220.96/58,814.40 = 14,252.72/x
  3. Step 3: Cross multiply
    39,220.96x = 58,814.40 × 14,252.72
  4. Step 4: Simplify right side
    39,220.96x = 838,265,175.17
  5. Step 5: Solve for x
    x = 838,265,175.17/39,220.96
  6. Step 6: Final answer
    x = 21,372.89

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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.