Home / 14,045.32-19,382.34-7,757.48

Finding the Fourth Proportional to 14,045.32, 19,382.34 and 7,757.48

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Solution

The fourth proportional to 14,045.32, 19,382.34 and 7,757.48 is: 10,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.32 : 19,382.34 = 7,757.48 : x
  2. Step 2: Convert to fraction form
    14,045.32/19,382.34 = 7,757.48/x
  3. Step 3: Cross multiply
    14,045.32x = 19,382.34 × 7,757.48
  4. Step 4: Simplify right side
    14,045.32x = 150,358,114.90
  5. Step 5: Solve for x
    x = 150,358,114.90/14,045.32
  6. Step 6: Final answer
    x = 10,705.21

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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.