Home / 22,643.24-31,246-13,083.56

Finding the Fourth Proportional to 22,643.24, 31,246 and 13,083.56

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Solution

The fourth proportional to 22,643.24, 31,246 and 13,083.56 is: 18,054.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,643.24 : 31,246 = 13,083.56 : x
  2. Step 2: Convert to fraction form
    22,643.24/31,246 = 13,083.56/x
  3. Step 3: Cross multiply
    22,643.24x = 31,246 × 13,083.56
  4. Step 4: Simplify right side
    22,643.24x = 408,808,915.76
  5. Step 5: Solve for x
    x = 408,808,915.76/22,643.24
  6. Step 6: Final answer
    x = 18,054.35

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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.