Home / 22,748.88-31,389.30-12,677.07

Finding the Fourth Proportional to 22,748.88, 31,389.30 and 12,677.07

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Solution

The fourth proportional to 22,748.88, 31,389.30 and 12,677.07 is: 17,492.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,748.88 : 31,389.30 = 12,677.07 : x
  2. Step 2: Convert to fraction form
    22,748.88/31,389.30 = 12,677.07/x
  3. Step 3: Cross multiply
    22,748.88x = 31,389.30 × 12,677.07
  4. Step 4: Simplify right side
    22,748.88x = 397,924,353.35
  5. Step 5: Solve for x
    x = 397,924,353.35/22,748.88
  6. Step 6: Final answer
    x = 17,492.04

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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.