Home / 14,316.89-21,478.77-5,992.28

Finding the Fourth Proportional to 14,316.89, 21,478.77 and 5,992.28

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Solution

The fourth proportional to 14,316.89, 21,478.77 and 5,992.28 is: 8,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,316.89 : 21,478.77 = 5,992.28 : x
  2. Step 2: Convert to fraction form
    14,316.89/21,478.77 = 5,992.28/x
  3. Step 3: Cross multiply
    14,316.89x = 21,478.77 × 5,992.28
  4. Step 4: Simplify right side
    14,316.89x = 128,706,803.90
  5. Step 5: Solve for x
    x = 128,706,803.90/14,316.89
  6. Step 6: Final answer
    x = 8,989.86

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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.