Home / 19,018.79-28,521.19-6,535.27

Finding the Fourth Proportional to 19,018.79, 28,521.19 and 6,535.27

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Solution

The fourth proportional to 19,018.79, 28,521.19 and 6,535.27 is: 9,800.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.79 : 28,521.19 = 6,535.27 : x
  2. Step 2: Convert to fraction form
    19,018.79/28,521.19 = 6,535.27/x
  3. Step 3: Cross multiply
    19,018.79x = 28,521.19 × 6,535.27
  4. Step 4: Simplify right side
    19,018.79x = 186,393,677.37
  5. Step 5: Solve for x
    x = 186,393,677.37/19,018.79
  6. Step 6: Final answer
    x = 9,800.50

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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.