Home / 19,214.77-28,654.52-17,090.95

Finding the Fourth Proportional to 19,214.77, 28,654.52 and 17,090.95

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Solution

The fourth proportional to 19,214.77, 28,654.52 and 17,090.95 is: 25,487.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.77 : 28,654.52 = 17,090.95 : x
  2. Step 2: Convert to fraction form
    19,214.77/28,654.52 = 17,090.95/x
  3. Step 3: Cross multiply
    19,214.77x = 28,654.52 × 17,090.95
  4. Step 4: Simplify right side
    19,214.77x = 489,732,968.59
  5. Step 5: Solve for x
    x = 489,732,968.59/19,214.77
  6. Step 6: Final answer
    x = 25,487.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.