Home / 19,611.02-27,053.07-12,146.06

Finding the Fourth Proportional to 19,611.02, 27,053.07 and 12,146.06

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Solution

The fourth proportional to 19,611.02, 27,053.07 and 12,146.06 is: 16,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.02 : 27,053.07 = 12,146.06 : x
  2. Step 2: Convert to fraction form
    19,611.02/27,053.07 = 12,146.06/x
  3. Step 3: Cross multiply
    19,611.02x = 27,053.07 × 12,146.06
  4. Step 4: Simplify right side
    19,611.02x = 328,588,211.40
  5. Step 5: Solve for x
    x = 328,588,211.40/19,611.02
  6. Step 6: Final answer
    x = 16,755.28

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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.