Home / 30,954.11-42,717.65-17,525.12

Finding the Fourth Proportional to 30,954.11, 42,717.65 and 17,525.12

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Solution

The fourth proportional to 30,954.11, 42,717.65 and 17,525.12 is: 24,185.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,954.11 : 42,717.65 = 17,525.12 : x
  2. Step 2: Convert to fraction form
    30,954.11/42,717.65 = 17,525.12/x
  3. Step 3: Cross multiply
    30,954.11x = 42,717.65 × 17,525.12
  4. Step 4: Simplify right side
    30,954.11x = 748,631,641.15
  5. Step 5: Solve for x
    x = 748,631,641.15/30,954.11
  6. Step 6: Final answer
    x = 24,185.21

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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.