Home / 26,124.96-39,182.19-12,792.20

Finding the Fourth Proportional to 26,124.96, 39,182.19 and 12,792.20

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Solution

The fourth proportional to 26,124.96, 39,182.19 and 12,792.20 is: 19,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,124.96 : 39,182.19 = 12,792.20 : x
  2. Step 2: Convert to fraction form
    26,124.96/39,182.19 = 12,792.20/x
  3. Step 3: Cross multiply
    26,124.96x = 39,182.19 × 12,792.20
  4. Step 4: Simplify right side
    26,124.96x = 501,226,215.01
  5. Step 5: Solve for x
    x = 501,226,215.01/26,124.96
  6. Step 6: Final answer
    x = 19,185.72

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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.