Home / 22,568.93-31,142.95-13,492.50

Finding the Fourth Proportional to 22,568.93, 31,142.95 and 13,492.50

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Solution

The fourth proportional to 22,568.93, 31,142.95 and 13,492.50 is: 18,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,568.93 : 31,142.95 = 13,492.50 : x
  2. Step 2: Convert to fraction form
    22,568.93/31,142.95 = 13,492.50/x
  3. Step 3: Cross multiply
    22,568.93x = 31,142.95 × 13,492.50
  4. Step 4: Simplify right side
    22,568.93x = 420,196,252.88
  5. Step 5: Solve for x
    x = 420,196,252.88/22,568.93
  6. Step 6: Final answer
    x = 18,618.35

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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.