Home / 22,601.16-31,178.52-19,612.80

Finding the Fourth Proportional to 22,601.16, 31,178.52 and 19,612.80

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Solution

The fourth proportional to 22,601.16, 31,178.52 and 19,612.80 is: 27,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,601.16 : 31,178.52 = 19,612.80 : x
  2. Step 2: Convert to fraction form
    22,601.16/31,178.52 = 19,612.80/x
  3. Step 3: Cross multiply
    22,601.16x = 31,178.52 × 19,612.80
  4. Step 4: Simplify right side
    22,601.16x = 611,498,077.06
  5. Step 5: Solve for x
    x = 611,498,077.06/22,601.16
  6. Step 6: Final answer
    x = 27,056.05

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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.