Home / 23,164.60-31,953.54-15,207.16

Finding the Fourth Proportional to 23,164.60, 31,953.54 and 15,207.16

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Solution

The fourth proportional to 23,164.60, 31,953.54 and 15,207.16 is: 20,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,164.60 : 31,953.54 = 15,207.16 : x
  2. Step 2: Convert to fraction form
    23,164.60/31,953.54 = 15,207.16/x
  3. Step 3: Cross multiply
    23,164.60x = 31,953.54 × 15,207.16
  4. Step 4: Simplify right side
    23,164.60x = 485,922,595.35
  5. Step 5: Solve for x
    x = 485,922,595.35/23,164.60
  6. Step 6: Final answer
    x = 20,976.95

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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.