Home / 14,182.05-19,570.44-7,808.38

Finding the Fourth Proportional to 14,182.05, 19,570.44 and 7,808.38

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Solution

The fourth proportional to 14,182.05, 19,570.44 and 7,808.38 is: 10,775.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.05 : 19,570.44 = 7,808.38 : x
  2. Step 2: Convert to fraction form
    14,182.05/19,570.44 = 7,808.38/x
  3. Step 3: Cross multiply
    14,182.05x = 19,570.44 × 7,808.38
  4. Step 4: Simplify right side
    14,182.05x = 152,813,432.29
  5. Step 5: Solve for x
    x = 152,813,432.29/14,182.05
  6. Step 6: Final answer
    x = 10,775.13

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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.