Home / 25,643.46-38,450.77-17,647.62

Finding the Fourth Proportional to 25,643.46, 38,450.77 and 17,647.62

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Solution

The fourth proportional to 25,643.46, 38,450.77 and 17,647.62 is: 26,461.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,643.46 : 38,450.77 = 17,647.62 : x
  2. Step 2: Convert to fraction form
    25,643.46/38,450.77 = 17,647.62/x
  3. Step 3: Cross multiply
    25,643.46x = 38,450.77 × 17,647.62
  4. Step 4: Simplify right side
    25,643.46x = 678,564,677.74
  5. Step 5: Solve for x
    x = 678,564,677.74/25,643.46
  6. Step 6: Final answer
    x = 26,461.51

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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.