Home / 13,814.91-19,064.57-7,527.28

Finding the Fourth Proportional to 13,814.91, 19,064.57 and 7,527.28

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Solution

The fourth proportional to 13,814.91, 19,064.57 and 7,527.28 is: 10,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.91 : 19,064.57 = 7,527.28 : x
  2. Step 2: Convert to fraction form
    13,814.91/19,064.57 = 7,527.28/x
  3. Step 3: Cross multiply
    13,814.91x = 19,064.57 × 7,527.28
  4. Step 4: Simplify right side
    13,814.91x = 143,504,356.47
  5. Step 5: Solve for x
    x = 143,504,356.47/13,814.91
  6. Step 6: Final answer
    x = 10,387.64

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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.