Home / 27,654.04-38,165.10-16,898.20

Finding the Fourth Proportional to 27,654.04, 38,165.10 and 16,898.20

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Solution

The fourth proportional to 27,654.04, 38,165.10 and 16,898.20 is: 23,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,654.04 : 38,165.10 = 16,898.20 : x
  2. Step 2: Convert to fraction form
    27,654.04/38,165.10 = 16,898.20/x
  3. Step 3: Cross multiply
    27,654.04x = 38,165.10 × 16,898.20
  4. Step 4: Simplify right side
    27,654.04x = 644,921,492.82
  5. Step 5: Solve for x
    x = 644,921,492.82/27,654.04
  6. Step 6: Final answer
    x = 23,321.06

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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.