Home / 26,063.98-39,088.43-12,728.74

Finding the Fourth Proportional to 26,063.98, 39,088.43 and 12,728.74

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Solution

The fourth proportional to 26,063.98, 39,088.43 and 12,728.74 is: 19,089.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,063.98 : 39,088.43 = 12,728.74 : x
  2. Step 2: Convert to fraction form
    26,063.98/39,088.43 = 12,728.74/x
  3. Step 3: Cross multiply
    26,063.98x = 39,088.43 × 12,728.74
  4. Step 4: Simplify right side
    26,063.98x = 497,546,462.48
  5. Step 5: Solve for x
    x = 497,546,462.48/26,063.98
  6. Step 6: Final answer
    x = 19,089.43

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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.