Home / 19,612.16-27,058.56-12,164.48

Finding the Fourth Proportional to 19,612.16, 27,058.56 and 12,164.48

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Solution

The fourth proportional to 19,612.16, 27,058.56 and 12,164.48 is: 16,783.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.16 : 27,058.56 = 12,164.48 : x
  2. Step 2: Convert to fraction form
    19,612.16/27,058.56 = 12,164.48/x
  3. Step 3: Cross multiply
    19,612.16x = 27,058.56 × 12,164.48
  4. Step 4: Simplify right side
    19,612.16x = 329,153,311.95
  5. Step 5: Solve for x
    x = 329,153,311.95/19,612.16
  6. Step 6: Final answer
    x = 16,783.12

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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.