Home / 21,419.07-32,073-14,776.05

Finding the Fourth Proportional to 21,419.07, 32,073 and 14,776.05

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Solution

The fourth proportional to 21,419.07, 32,073 and 14,776.05 is: 22,125.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,419.07 : 32,073 = 14,776.05 : x
  2. Step 2: Convert to fraction form
    21,419.07/32,073 = 14,776.05/x
  3. Step 3: Cross multiply
    21,419.07x = 32,073 × 14,776.05
  4. Step 4: Simplify right side
    21,419.07x = 473,912,251.65
  5. Step 5: Solve for x
    x = 473,912,251.65/21,419.07
  6. Step 6: Final answer
    x = 22,125.72

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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.