Home / 22,674.19-31,305.63-20,276.70

Finding the Fourth Proportional to 22,674.19, 31,305.63 and 20,276.70

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Solution

The fourth proportional to 22,674.19, 31,305.63 and 20,276.70 is: 27,995.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,674.19 : 31,305.63 = 20,276.70 : x
  2. Step 2: Convert to fraction form
    22,674.19/31,305.63 = 20,276.70/x
  3. Step 3: Cross multiply
    22,674.19x = 31,305.63 × 20,276.70
  4. Step 4: Simplify right side
    22,674.19x = 634,774,867.82
  5. Step 5: Solve for x
    x = 634,774,867.82/22,674.19
  6. Step 6: Final answer
    x = 27,995.48

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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.