Home / 14,945.45-22,407.69-6,620.95

Finding the Fourth Proportional to 14,945.45, 22,407.69 and 6,620.95

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Solution

The fourth proportional to 14,945.45, 22,407.69 and 6,620.95 is: 9,926.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.45 : 22,407.69 = 6,620.95 : x
  2. Step 2: Convert to fraction form
    14,945.45/22,407.69 = 6,620.95/x
  3. Step 3: Cross multiply
    14,945.45x = 22,407.69 × 6,620.95
  4. Step 4: Simplify right side
    14,945.45x = 148,360,083.07
  5. Step 5: Solve for x
    x = 148,360,083.07/14,945.45
  6. Step 6: Final answer
    x = 9,926.77

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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.