Home / 19,195.76-28,957.82-18,606.08

Finding the Fourth Proportional to 19,195.76, 28,957.82 and 18,606.08

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Solution

The fourth proportional to 19,195.76, 28,957.82 and 18,606.08 is: 28,068.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.76 : 28,957.82 = 18,606.08 : x
  2. Step 2: Convert to fraction form
    19,195.76/28,957.82 = 18,606.08/x
  3. Step 3: Cross multiply
    19,195.76x = 28,957.82 × 18,606.08
  4. Step 4: Simplify right side
    19,195.76x = 538,791,515.55
  5. Step 5: Solve for x
    x = 538,791,515.55/19,195.76
  6. Step 6: Final answer
    x = 28,068.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.