Home / 14,222.48-21,352.20-10,937.90

Finding the Fourth Proportional to 14,222.48, 21,352.20 and 10,937.90

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Solution

The fourth proportional to 14,222.48, 21,352.20 and 10,937.90 is: 16,421.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.48 : 21,352.20 = 10,937.90 : x
  2. Step 2: Convert to fraction form
    14,222.48/21,352.20 = 10,937.90/x
  3. Step 3: Cross multiply
    14,222.48x = 21,352.20 × 10,937.90
  4. Step 4: Simplify right side
    14,222.48x = 233,548,228.38
  5. Step 5: Solve for x
    x = 233,548,228.38/14,222.48
  6. Step 6: Final answer
    x = 16,421.06

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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.