Home / 22,853.51-31,538.09-13,422.23

Finding the Fourth Proportional to 22,853.51, 31,538.09 and 13,422.23

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Solution

The fourth proportional to 22,853.51, 31,538.09 and 13,422.23 is: 18,522.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,853.51 : 31,538.09 = 13,422.23 : x
  2. Step 2: Convert to fraction form
    22,853.51/31,538.09 = 13,422.23/x
  3. Step 3: Cross multiply
    22,853.51x = 31,538.09 × 13,422.23
  4. Step 4: Simplify right side
    22,853.51x = 423,311,497.74
  5. Step 5: Solve for x
    x = 423,311,497.74/22,853.51
  6. Step 6: Final answer
    x = 18,522.82

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Half scale
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Double scale
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Similar ratio
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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.