Home / 15,573.36-23,359.68-5,185.20

Finding the Fourth Proportional to 15,573.36, 23,359.68 and 5,185.20

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Solution

The fourth proportional to 15,573.36, 23,359.68 and 5,185.20 is: 7,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.36 : 23,359.68 = 5,185.20 : x
  2. Step 2: Convert to fraction form
    15,573.36/23,359.68 = 5,185.20/x
  3. Step 3: Cross multiply
    15,573.36x = 23,359.68 × 5,185.20
  4. Step 4: Simplify right side
    15,573.36x = 121,124,612.74
  5. Step 5: Solve for x
    x = 121,124,612.74/15,573.36
  6. Step 6: Final answer
    x = 7,777.68

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Double scale
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Similar ratio
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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.