Home / 13,911.18-19,193.69-7,941.66

Finding the Fourth Proportional to 13,911.18, 19,193.69 and 7,941.66

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Solution

The fourth proportional to 13,911.18, 19,193.69 and 7,941.66 is: 10,957.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.18 : 19,193.69 = 7,941.66 : x
  2. Step 2: Convert to fraction form
    13,911.18/19,193.69 = 7,941.66/x
  3. Step 3: Cross multiply
    13,911.18x = 19,193.69 × 7,941.66
  4. Step 4: Simplify right side
    13,911.18x = 152,429,779.98
  5. Step 5: Solve for x
    x = 152,429,779.98/13,911.18
  6. Step 6: Final answer
    x = 10,957.36

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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.