Home / 15,777.95-23,668.18-5,247.59

Finding the Fourth Proportional to 15,777.95, 23,668.18 and 5,247.59

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Solution

The fourth proportional to 15,777.95, 23,668.18 and 5,247.59 is: 7,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,777.95 : 23,668.18 = 5,247.59 : x
  2. Step 2: Convert to fraction form
    15,777.95/23,668.18 = 5,247.59/x
  3. Step 3: Cross multiply
    15,777.95x = 23,668.18 × 5,247.59
  4. Step 4: Simplify right side
    15,777.95x = 124,200,773.23
  5. Step 5: Solve for x
    x = 124,200,773.23/15,777.95
  6. Step 6: Final answer
    x = 7,871.80

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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.