Home / 18,654.04-25,746.10-11,942.50

Finding the Fourth Proportional to 18,654.04, 25,746.10 and 11,942.50

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Solution

The fourth proportional to 18,654.04, 25,746.10 and 11,942.50 is: 16,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.04 : 25,746.10 = 11,942.50 : x
  2. Step 2: Convert to fraction form
    18,654.04/25,746.10 = 11,942.50/x
  3. Step 3: Cross multiply
    18,654.04x = 25,746.10 × 11,942.50
  4. Step 4: Simplify right side
    18,654.04x = 307,472,799.25
  5. Step 5: Solve for x
    x = 307,472,799.25/18,654.04
  6. Step 6: Final answer
    x = 16,482.91

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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.