Home / 13,961.16-19,283.50-10,440.04

Finding the Fourth Proportional to 13,961.16, 19,283.50 and 10,440.04

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Solution

The fourth proportional to 13,961.16, 19,283.50 and 10,440.04 is: 14,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.16 : 19,283.50 = 10,440.04 : x
  2. Step 2: Convert to fraction form
    13,961.16/19,283.50 = 10,440.04/x
  3. Step 3: Cross multiply
    13,961.16x = 19,283.50 × 10,440.04
  4. Step 4: Simplify right side
    13,961.16x = 201,320,511.34
  5. Step 5: Solve for x
    x = 201,320,511.34/13,961.16
  6. Step 6: Final answer
    x = 14,420.04

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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.