Home / 14,922.96-22,350.40-7,137.28

Finding the Fourth Proportional to 14,922.96, 22,350.40 and 7,137.28

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Solution

The fourth proportional to 14,922.96, 22,350.40 and 7,137.28 is: 10,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,922.96 : 22,350.40 = 7,137.28 : x
  2. Step 2: Convert to fraction form
    14,922.96/22,350.40 = 7,137.28/x
  3. Step 3: Cross multiply
    14,922.96x = 22,350.40 × 7,137.28
  4. Step 4: Simplify right side
    14,922.96x = 159,521,062.91
  5. Step 5: Solve for x
    x = 159,521,062.91/14,922.96
  6. Step 6: Final answer
    x = 10,689.64

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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.