Home / 20,848.04-31,257.48-10,454.12

Finding the Fourth Proportional to 20,848.04, 31,257.48 and 10,454.12

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Solution

The fourth proportional to 20,848.04, 31,257.48 and 10,454.12 is: 15,673.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848.04 : 31,257.48 = 10,454.12 : x
  2. Step 2: Convert to fraction form
    20,848.04/31,257.48 = 10,454.12/x
  3. Step 3: Cross multiply
    20,848.04x = 31,257.48 × 10,454.12
  4. Step 4: Simplify right side
    20,848.04x = 326,769,446.82
  5. Step 5: Solve for x
    x = 326,769,446.82/20,848.04
  6. Step 6: Final answer
    x = 15,673.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.