Home / 19,017-28,500.36-13,769.56

Finding the Fourth Proportional to 19,017, 28,500.36 and 13,769.56

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Solution

The fourth proportional to 19,017, 28,500.36 and 13,769.56 is: 20,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017 : 28,500.36 = 13,769.56 : x
  2. Step 2: Convert to fraction form
    19,017/28,500.36 = 13,769.56/x
  3. Step 3: Cross multiply
    19,017x = 28,500.36 × 13,769.56
  4. Step 4: Simplify right side
    19,017x = 392,437,417.04
  5. Step 5: Solve for x
    x = 392,437,417.04/19,017
  6. Step 6: Final answer
    x = 20,636.14

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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.