Home / 19,017.54-28,510.92-7,932.51

Finding the Fourth Proportional to 19,017.54, 28,510.92 and 7,932.51

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Solution

The fourth proportional to 19,017.54, 28,510.92 and 7,932.51 is: 11,892.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.54 : 28,510.92 = 7,932.51 : x
  2. Step 2: Convert to fraction form
    19,017.54/28,510.92 = 7,932.51/x
  3. Step 3: Cross multiply
    19,017.54x = 28,510.92 × 7,932.51
  4. Step 4: Simplify right side
    19,017.54x = 226,163,158.01
  5. Step 5: Solve for x
    x = 226,163,158.01/19,017.54
  6. Step 6: Final answer
    x = 11,892.35

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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.