Home / 14,047.04-19,384.64-7,759.36

Finding the Fourth Proportional to 14,047.04, 19,384.64 and 7,759.36

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Solution

The fourth proportional to 14,047.04, 19,384.64 and 7,759.36 is: 10,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.04 : 19,384.64 = 7,759.36 : x
  2. Step 2: Convert to fraction form
    14,047.04/19,384.64 = 7,759.36/x
  3. Step 3: Cross multiply
    14,047.04x = 19,384.64 × 7,759.36
  4. Step 4: Simplify right side
    14,047.04x = 150,412,400.23
  5. Step 5: Solve for x
    x = 150,412,400.23/14,047.04
  6. Step 6: Final answer
    x = 10,707.76

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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.