Home / 23,275.74-32,120.62-12,665.36

Finding the Fourth Proportional to 23,275.74, 32,120.62 and 12,665.36

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Solution

The fourth proportional to 23,275.74, 32,120.62 and 12,665.36 is: 17,478.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,275.74 : 32,120.62 = 12,665.36 : x
  2. Step 2: Convert to fraction form
    23,275.74/32,120.62 = 12,665.36/x
  3. Step 3: Cross multiply
    23,275.74x = 32,120.62 × 12,665.36
  4. Step 4: Simplify right side
    23,275.74x = 406,819,215.72
  5. Step 5: Solve for x
    x = 406,819,215.72/23,275.74
  6. Step 6: Final answer
    x = 17,478.25

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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.