Home / 15,715.99-23,573.38-5,327.74

Finding the Fourth Proportional to 15,715.99, 23,573.38 and 5,327.74

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Solution

The fourth proportional to 15,715.99, 23,573.38 and 5,327.74 is: 7,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,715.99 : 23,573.38 = 5,327.74 : x
  2. Step 2: Convert to fraction form
    15,715.99/23,573.38 = 5,327.74/x
  3. Step 3: Cross multiply
    15,715.99x = 23,573.38 × 5,327.74
  4. Step 4: Simplify right side
    15,715.99x = 125,592,865.70
  5. Step 5: Solve for x
    x = 125,592,865.70/15,715.99
  6. Step 6: Final answer
    x = 7,991.41

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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.