Home / 14,690.19-20,272.47-7,975.83

Finding the Fourth Proportional to 14,690.19, 20,272.47 and 7,975.83

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Solution

The fourth proportional to 14,690.19, 20,272.47 and 7,975.83 is: 11,006.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.19 : 20,272.47 = 7,975.83 : x
  2. Step 2: Convert to fraction form
    14,690.19/20,272.47 = 7,975.83/x
  3. Step 3: Cross multiply
    14,690.19x = 20,272.47 × 7,975.83
  4. Step 4: Simplify right side
    14,690.19x = 161,689,774.40
  5. Step 5: Solve for x
    x = 161,689,774.40/14,690.19
  6. Step 6: Final answer
    x = 11,006.65

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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.