Home / 30,534.17-45,795.78-13,894.74

Finding the Fourth Proportional to 30,534.17, 45,795.78 and 13,894.74

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Solution

The fourth proportional to 30,534.17, 45,795.78 and 13,894.74 is: 20,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,534.17 : 45,795.78 = 13,894.74 : x
  2. Step 2: Convert to fraction form
    30,534.17/45,795.78 = 13,894.74/x
  3. Step 3: Cross multiply
    30,534.17x = 45,795.78 × 13,894.74
  4. Step 4: Simplify right side
    30,534.17x = 636,320,456.20
  5. Step 5: Solve for x
    x = 636,320,456.20/30,534.17
  6. Step 6: Final answer
    x = 20,839.62

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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.