Home / 22,492.04-31,047.30-13,539.96

Finding the Fourth Proportional to 22,492.04, 31,047.30 and 13,539.96

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Solution

The fourth proportional to 22,492.04, 31,047.30 and 13,539.96 is: 18,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,492.04 : 31,047.30 = 13,539.96 : x
  2. Step 2: Convert to fraction form
    22,492.04/31,047.30 = 13,539.96/x
  3. Step 3: Cross multiply
    22,492.04x = 31,047.30 × 13,539.96
  4. Step 4: Simplify right side
    22,492.04x = 420,379,200.11
  5. Step 5: Solve for x
    x = 420,379,200.11/22,492.04
  6. Step 6: Final answer
    x = 18,690.13

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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.