Home / 23,795.70-32,785.20-15,715.01

Finding the Fourth Proportional to 23,795.70, 32,785.20 and 15,715.01

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Solution

The fourth proportional to 23,795.70, 32,785.20 and 15,715.01 is: 21,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,795.70 : 32,785.20 = 15,715.01 : x
  2. Step 2: Convert to fraction form
    23,795.70/32,785.20 = 15,715.01/x
  3. Step 3: Cross multiply
    23,795.70x = 32,785.20 × 15,715.01
  4. Step 4: Simplify right side
    23,795.70x = 515,219,581.93
  5. Step 5: Solve for x
    x = 515,219,581.93/23,795.70
  6. Step 6: Final answer
    x = 21,651.79

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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.