Home / 13,599.99-20,398.59-4,714.47

Finding the Fourth Proportional to 13,599.99, 20,398.59 and 4,714.47

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Solution

The fourth proportional to 13,599.99, 20,398.59 and 4,714.47 is: 7,071.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.99 : 20,398.59 = 4,714.47 : x
  2. Step 2: Convert to fraction form
    13,599.99/20,398.59 = 4,714.47/x
  3. Step 3: Cross multiply
    13,599.99x = 20,398.59 × 4,714.47
  4. Step 4: Simplify right side
    13,599.99x = 96,168,540.60
  5. Step 5: Solve for x
    x = 96,168,540.60/13,599.99
  6. Step 6: Final answer
    x = 7,071.22

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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.