Home / 23,275.23-32,120.39-12,665.45

Finding the Fourth Proportional to 23,275.23, 32,120.39 and 12,665.45

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Solution

The fourth proportional to 23,275.23, 32,120.39 and 12,665.45 is: 17,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,275.23 : 32,120.39 = 12,665.45 : x
  2. Step 2: Convert to fraction form
    23,275.23/32,120.39 = 12,665.45/x
  3. Step 3: Cross multiply
    23,275.23x = 32,120.39 × 12,665.45
  4. Step 4: Simplify right side
    23,275.23x = 406,819,064.59
  5. Step 5: Solve for x
    x = 406,819,064.59/23,275.23
  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.