Home / 22,609.99-31,202.01-12,538.57

Finding the Fourth Proportional to 22,609.99, 31,202.01 and 12,538.57

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Solution

The fourth proportional to 22,609.99, 31,202.01 and 12,538.57 is: 17,303.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.99 : 31,202.01 = 12,538.57 : x
  2. Step 2: Convert to fraction form
    22,609.99/31,202.01 = 12,538.57/x
  3. Step 3: Cross multiply
    22,609.99x = 31,202.01 × 12,538.57
  4. Step 4: Simplify right side
    22,609.99x = 391,228,586.53
  5. Step 5: Solve for x
    x = 391,228,586.53/22,609.99
  6. Step 6: Final answer
    x = 17,303.35

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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.