Home / 23,276.07-32,120.91-12,665.70

Finding the Fourth Proportional to 23,276.07, 32,120.91 and 12,665.70

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Solution

The fourth proportional to 23,276.07, 32,120.91 and 12,665.70 is: 17,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,276.07 : 32,120.91 = 12,665.70 : x
  2. Step 2: Convert to fraction form
    23,276.07/32,120.91 = 12,665.70/x
  3. Step 3: Cross multiply
    23,276.07x = 32,120.91 × 12,665.70
  4. Step 4: Simplify right side
    23,276.07x = 406,833,809.79
  5. Step 5: Solve for x
    x = 406,833,809.79/23,276.07
  6. Step 6: Final answer
    x = 17,478.63

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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.