Home / 14,587.12-21,880.68-11,651.68

Finding the Fourth Proportional to 14,587.12, 21,880.68 and 11,651.68

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Solution

The fourth proportional to 14,587.12, 21,880.68 and 11,651.68 is: 17,477.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.12 : 21,880.68 = 11,651.68 : x
  2. Step 2: Convert to fraction form
    14,587.12/21,880.68 = 11,651.68/x
  3. Step 3: Cross multiply
    14,587.12x = 21,880.68 × 11,651.68
  4. Step 4: Simplify right side
    14,587.12x = 254,946,681.54
  5. Step 5: Solve for x
    x = 254,946,681.54/14,587.12
  6. Step 6: Final answer
    x = 17,477.52

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.