Home / 26,839.75-37,038.15-14,902.78

Finding the Fourth Proportional to 26,839.75, 37,038.15 and 14,902.78

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Solution

The fourth proportional to 26,839.75, 37,038.15 and 14,902.78 is: 20,565.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,839.75 : 37,038.15 = 14,902.78 : x
  2. Step 2: Convert to fraction form
    26,839.75/37,038.15 = 14,902.78/x
  3. Step 3: Cross multiply
    26,839.75x = 37,038.15 × 14,902.78
  4. Step 4: Simplify right side
    26,839.75x = 551,971,401.06
  5. Step 5: Solve for x
    x = 551,971,401.06/26,839.75
  6. Step 6: Final answer
    x = 20,565.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.