Home / 14,488.50-19,995.35-9,181.38

Finding the Fourth Proportional to 14,488.50, 19,995.35 and 9,181.38

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Solution

The fourth proportional to 14,488.50, 19,995.35 and 9,181.38 is: 12,671.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.50 : 19,995.35 = 9,181.38 : x
  2. Step 2: Convert to fraction form
    14,488.50/19,995.35 = 9,181.38/x
  3. Step 3: Cross multiply
    14,488.50x = 19,995.35 × 9,181.38
  4. Step 4: Simplify right side
    14,488.50x = 183,584,860.68
  5. Step 5: Solve for x
    x = 183,584,860.68/14,488.50
  6. Step 6: Final answer
    x = 12,671.07

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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.