Home / 14,222.73-19,628.28-9,434.28

Finding the Fourth Proportional to 14,222.73, 19,628.28 and 9,434.28

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Solution

The fourth proportional to 14,222.73, 19,628.28 and 9,434.28 is: 13,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.73 : 19,628.28 = 9,434.28 : x
  2. Step 2: Convert to fraction form
    14,222.73/19,628.28 = 9,434.28/x
  3. Step 3: Cross multiply
    14,222.73x = 19,628.28 × 9,434.28
  4. Step 4: Simplify right side
    14,222.73x = 185,178,689.44
  5. Step 5: Solve for x
    x = 185,178,689.44/14,222.73
  6. Step 6: Final answer
    x = 13,019.91

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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.