Home / 19,656.10-27,127.58-12,100.92

Finding the Fourth Proportional to 19,656.10, 27,127.58 and 12,100.92

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Solution

The fourth proportional to 19,656.10, 27,127.58 and 12,100.92 is: 16,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.10 : 27,127.58 = 12,100.92 : x
  2. Step 2: Convert to fraction form
    19,656.10/27,127.58 = 12,100.92/x
  3. Step 3: Cross multiply
    19,656.10x = 27,127.58 × 12,100.92
  4. Step 4: Simplify right side
    19,656.10x = 328,268,675.37
  5. Step 5: Solve for x
    x = 328,268,675.37/19,656.10
  6. Step 6: Final answer
    x = 16,700.60

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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.