Home / 12,531.14-17,253.52-10,638.98

Finding the Fourth Proportional to 12,531.14, 17,253.52 and 10,638.98

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Solution

The fourth proportional to 12,531.14, 17,253.52 and 10,638.98 is: 14,648.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.14 : 17,253.52 = 10,638.98 : x
  2. Step 2: Convert to fraction form
    12,531.14/17,253.52 = 10,638.98/x
  3. Step 3: Cross multiply
    12,531.14x = 17,253.52 × 10,638.98
  4. Step 4: Simplify right side
    12,531.14x = 183,559,714.75
  5. Step 5: Solve for x
    x = 183,559,714.75/12,531.14
  6. Step 6: Final answer
    x = 14,648.29

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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.