Home / 15,638.85-23,459.81-4,542.56

Finding the Fourth Proportional to 15,638.85, 23,459.81 and 4,542.56

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Solution

The fourth proportional to 15,638.85, 23,459.81 and 4,542.56 is: 6,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638.85 : 23,459.81 = 4,542.56 : x
  2. Step 2: Convert to fraction form
    15,638.85/23,459.81 = 4,542.56/x
  3. Step 3: Cross multiply
    15,638.85x = 23,459.81 × 4,542.56
  4. Step 4: Simplify right side
    15,638.85x = 106,567,594.51
  5. Step 5: Solve for x
    x = 106,567,594.51/15,638.85
  6. Step 6: Final answer
    x = 6,814.29

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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.