Home / 21,538.37-32,226.40-19,353.19

Finding the Fourth Proportional to 21,538.37, 32,226.40 and 19,353.19

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Solution

The fourth proportional to 21,538.37, 32,226.40 and 19,353.19 is: 28,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,538.37 : 32,226.40 = 19,353.19 : x
  2. Step 2: Convert to fraction form
    21,538.37/32,226.40 = 19,353.19/x
  3. Step 3: Cross multiply
    21,538.37x = 32,226.40 × 19,353.19
  4. Step 4: Simplify right side
    21,538.37x = 623,683,545.45
  5. Step 5: Solve for x
    x = 623,683,545.45/21,538.37
  6. Step 6: Final answer
    x = 28,956.87

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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.