Home / 18,531.02-25,573.12-10,146.98

Finding the Fourth Proportional to 18,531.02, 25,573.12 and 10,146.98

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Solution

The fourth proportional to 18,531.02, 25,573.12 and 10,146.98 is: 14,003.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.02 : 25,573.12 = 10,146.98 : x
  2. Step 2: Convert to fraction form
    18,531.02/25,573.12 = 10,146.98/x
  3. Step 3: Cross multiply
    18,531.02x = 25,573.12 × 10,146.98
  4. Step 4: Simplify right side
    18,531.02x = 259,489,937.18
  5. Step 5: Solve for x
    x = 259,489,937.18/18,531.02
  6. Step 6: Final answer
    x = 14,003.00

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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.