Home / 14,210.25-19,610.28-7,922.76

Finding the Fourth Proportional to 14,210.25, 19,610.28 and 7,922.76

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Solution

The fourth proportional to 14,210.25, 19,610.28 and 7,922.76 is: 10,933.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210.25 : 19,610.28 = 7,922.76 : x
  2. Step 2: Convert to fraction form
    14,210.25/19,610.28 = 7,922.76/x
  3. Step 3: Cross multiply
    14,210.25x = 19,610.28 × 7,922.76
  4. Step 4: Simplify right side
    14,210.25x = 155,367,541.97
  5. Step 5: Solve for x
    x = 155,367,541.97/14,210.25
  6. Step 6: Final answer
    x = 10,933.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.