Home / 15,429.74-23,142.80-4,337.37

Finding the Fourth Proportional to 15,429.74, 23,142.80 and 4,337.37

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Solution

The fourth proportional to 15,429.74, 23,142.80 and 4,337.37 is: 6,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.74 : 23,142.80 = 4,337.37 : x
  2. Step 2: Convert to fraction form
    15,429.74/23,142.80 = 4,337.37/x
  3. Step 3: Cross multiply
    15,429.74x = 23,142.80 × 4,337.37
  4. Step 4: Simplify right side
    15,429.74x = 100,378,886.44
  5. Step 5: Solve for x
    x = 100,378,886.44/15,429.74
  6. Step 6: Final answer
    x = 6,505.55

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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.