Home / 23,728.51-32,743.74-13,116.70

Finding the Fourth Proportional to 23,728.51, 32,743.74 and 13,116.70

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Solution

The fourth proportional to 23,728.51, 32,743.74 and 13,116.70 is: 18,100.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,728.51 : 32,743.74 = 13,116.70 : x
  2. Step 2: Convert to fraction form
    23,728.51/32,743.74 = 13,116.70/x
  3. Step 3: Cross multiply
    23,728.51x = 32,743.74 × 13,116.70
  4. Step 4: Simplify right side
    23,728.51x = 429,489,814.46
  5. Step 5: Solve for x
    x = 429,489,814.46/23,728.51
  6. Step 6: Final answer
    x = 18,100.16

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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.