Home / 34,069.84-47,012.68-18,960.12

Finding the Fourth Proportional to 34,069.84, 47,012.68 and 18,960.12

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Solution

The fourth proportional to 34,069.84, 47,012.68 and 18,960.12 is: 26,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,069.84 : 47,012.68 = 18,960.12 : x
  2. Step 2: Convert to fraction form
    34,069.84/47,012.68 = 18,960.12/x
  3. Step 3: Cross multiply
    34,069.84x = 47,012.68 × 18,960.12
  4. Step 4: Simplify right side
    34,069.84x = 891,366,054.32
  5. Step 5: Solve for x
    x = 891,366,054.32/34,069.84
  6. Step 6: Final answer
    x = 26,162.91

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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.