Home / 23,159.21-31,960.30-14,211.65

Finding the Fourth Proportional to 23,159.21, 31,960.30 and 14,211.65

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Solution

The fourth proportional to 23,159.21, 31,960.30 and 14,211.65 is: 19,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,159.21 : 31,960.30 = 14,211.65 : x
  2. Step 2: Convert to fraction form
    23,159.21/31,960.30 = 14,211.65/x
  3. Step 3: Cross multiply
    23,159.21x = 31,960.30 × 14,211.65
  4. Step 4: Simplify right side
    23,159.21x = 454,208,526.44
  5. Step 5: Solve for x
    x = 454,208,526.44/23,159.21
  6. Step 6: Final answer
    x = 19,612.44

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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.