Home / 23,276.74-32,122-12,666.36

Finding the Fourth Proportional to 23,276.74, 32,122 and 12,666.36

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Solution

The fourth proportional to 23,276.74, 32,122 and 12,666.36 is: 17,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,276.74 : 32,122 = 12,666.36 : x
  2. Step 2: Convert to fraction form
    23,276.74/32,122 = 12,666.36/x
  3. Step 3: Cross multiply
    23,276.74x = 32,122 × 12,666.36
  4. Step 4: Simplify right side
    23,276.74x = 406,868,815.92
  5. Step 5: Solve for x
    x = 406,868,815.92/23,276.74
  6. Step 6: Final answer
    x = 17,479.63

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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.