Home / 19,612.02-27,054.45-12,147.06

Finding the Fourth Proportional to 19,612.02, 27,054.45 and 12,147.06

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Solution

The fourth proportional to 19,612.02, 27,054.45 and 12,147.06 is: 16,756.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.02 : 27,054.45 = 12,147.06 : x
  2. Step 2: Convert to fraction form
    19,612.02/27,054.45 = 12,147.06/x
  3. Step 3: Cross multiply
    19,612.02x = 27,054.45 × 12,147.06
  4. Step 4: Simplify right side
    19,612.02x = 328,632,027.42
  5. Step 5: Solve for x
    x = 328,632,027.42/19,612.02
  6. Step 6: Final answer
    x = 16,756.66

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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.