Home / 21,565.44-32,392.44-14,180.40

Finding the Fourth Proportional to 21,565.44, 32,392.44 and 14,180.40

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Solution

The fourth proportional to 21,565.44, 32,392.44 and 14,180.40 is: 21,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,565.44 : 32,392.44 = 14,180.40 : x
  2. Step 2: Convert to fraction form
    21,565.44/32,392.44 = 14,180.40/x
  3. Step 3: Cross multiply
    21,565.44x = 32,392.44 × 14,180.40
  4. Step 4: Simplify right side
    21,565.44x = 459,337,756.18
  5. Step 5: Solve for x
    x = 459,337,756.18/21,565.44
  6. Step 6: Final answer
    x = 21,299.72

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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.