Home / 38,398.84-57,598.25-12,105.64

Finding the Fourth Proportional to 38,398.84, 57,598.25 and 12,105.64

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Solution

The fourth proportional to 38,398.84, 57,598.25 and 12,105.64 is: 18,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,398.84 : 57,598.25 = 12,105.64 : x
  2. Step 2: Convert to fraction form
    38,398.84/57,598.25 = 12,105.64/x
  3. Step 3: Cross multiply
    38,398.84x = 57,598.25 × 12,105.64
  4. Step 4: Simplify right side
    38,398.84x = 697,263,330.61
  5. Step 5: Solve for x
    x = 697,263,330.61/38,398.84
  6. Step 6: Final answer
    x = 18,158.45

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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.