Home / 14,175.61-19,562.41-7,887.98

Finding the Fourth Proportional to 14,175.61, 19,562.41 and 7,887.98

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Solution

The fourth proportional to 14,175.61, 19,562.41 and 7,887.98 is: 10,885.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.61 : 19,562.41 = 7,887.98 : x
  2. Step 2: Convert to fraction form
    14,175.61/19,562.41 = 7,887.98/x
  3. Step 3: Cross multiply
    14,175.61x = 19,562.41 × 7,887.98
  4. Step 4: Simplify right side
    14,175.61x = 154,307,957.60
  5. Step 5: Solve for x
    x = 154,307,957.60/14,175.61
  6. Step 6: Final answer
    x = 10,885.46

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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.