Home / 13,895.18-19,175.32-7,521.74

Finding the Fourth Proportional to 13,895.18, 19,175.32 and 7,521.74

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Solution

The fourth proportional to 13,895.18, 19,175.32 and 7,521.74 is: 10,379.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.18 : 19,175.32 = 7,521.74 : x
  2. Step 2: Convert to fraction form
    13,895.18/19,175.32 = 7,521.74/x
  3. Step 3: Cross multiply
    13,895.18x = 19,175.32 × 7,521.74
  4. Step 4: Simplify right side
    13,895.18x = 144,231,684.98
  5. Step 5: Solve for x
    x = 144,231,684.98/13,895.18
  6. Step 6: Final answer
    x = 10,379.98

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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.