Home / 12,714.48-17,531.64-10,407.60

Finding the Fourth Proportional to 12,714.48, 17,531.64 and 10,407.60

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Solution

The fourth proportional to 12,714.48, 17,531.64 and 10,407.60 is: 14,350.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714.48 : 17,531.64 = 10,407.60 : x
  2. Step 2: Convert to fraction form
    12,714.48/17,531.64 = 10,407.60/x
  3. Step 3: Cross multiply
    12,714.48x = 17,531.64 × 10,407.60
  4. Step 4: Simplify right side
    12,714.48x = 182,462,296.46
  5. Step 5: Solve for x
    x = 182,462,296.46/12,714.48
  6. Step 6: Final answer
    x = 14,350.75

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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.