Home / 13,961.04-19,264.72-7,672.24

Finding the Fourth Proportional to 13,961.04, 19,264.72 and 7,672.24

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Solution

The fourth proportional to 13,961.04, 19,264.72 and 7,672.24 is: 10,586.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.04 : 19,264.72 = 7,672.24 : x
  2. Step 2: Convert to fraction form
    13,961.04/19,264.72 = 7,672.24/x
  3. Step 3: Cross multiply
    13,961.04x = 19,264.72 × 7,672.24
  4. Step 4: Simplify right side
    13,961.04x = 147,803,555.37
  5. Step 5: Solve for x
    x = 147,803,555.37/13,961.04
  6. Step 6: Final answer
    x = 10,586.86

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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.