Home / 20,701.58-31,064.57-7,554.74

Finding the Fourth Proportional to 20,701.58, 31,064.57 and 7,554.74

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Solution

The fourth proportional to 20,701.58, 31,064.57 and 7,554.74 is: 11,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.58 : 31,064.57 = 7,554.74 : x
  2. Step 2: Convert to fraction form
    20,701.58/31,064.57 = 7,554.74/x
  3. Step 3: Cross multiply
    20,701.58x = 31,064.57 × 7,554.74
  4. Step 4: Simplify right side
    20,701.58x = 234,684,711.79
  5. Step 5: Solve for x
    x = 234,684,711.79/20,701.58
  6. Step 6: Final answer
    x = 11,336.56

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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.