Home / 20,866.04-31,298.52-7,015.04

Finding the Fourth Proportional to 20,866.04, 31,298.52 and 7,015.04

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Solution

The fourth proportional to 20,866.04, 31,298.52 and 7,015.04 is: 10,522.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,866.04 : 31,298.52 = 7,015.04 : x
  2. Step 2: Convert to fraction form
    20,866.04/31,298.52 = 7,015.04/x
  3. Step 3: Cross multiply
    20,866.04x = 31,298.52 × 7,015.04
  4. Step 4: Simplify right side
    20,866.04x = 219,560,369.74
  5. Step 5: Solve for x
    x = 219,560,369.74/20,866.04
  6. Step 6: Final answer
    x = 10,522.38

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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.