Home / 18,768.31-25,898.20-10,702.23

Finding the Fourth Proportional to 18,768.31, 25,898.20 and 10,702.23

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Solution

The fourth proportional to 18,768.31, 25,898.20 and 10,702.23 is: 14,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,768.31 : 25,898.20 = 10,702.23 : x
  2. Step 2: Convert to fraction form
    18,768.31/25,898.20 = 10,702.23/x
  3. Step 3: Cross multiply
    18,768.31x = 25,898.20 × 10,702.23
  4. Step 4: Simplify right side
    18,768.31x = 277,168,492.99
  5. Step 5: Solve for x
    x = 277,168,492.99/18,768.31
  6. Step 6: Final answer
    x = 14,767.90

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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.