Home / 14,047.04-19,385.08-7,759.40

Finding the Fourth Proportional to 14,047.04, 19,385.08 and 7,759.40

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Solution

The fourth proportional to 14,047.04, 19,385.08 and 7,759.40 is: 10,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.04 : 19,385.08 = 7,759.40 : x
  2. Step 2: Convert to fraction form
    14,047.04/19,385.08 = 7,759.40/x
  3. Step 3: Cross multiply
    14,047.04x = 19,385.08 × 7,759.40
  4. Step 4: Simplify right side
    14,047.04x = 150,416,589.75
  5. Step 5: Solve for x
    x = 150,416,589.75/14,047.04
  6. Step 6: Final answer
    x = 10,708.06

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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.