Home / 13,816.11-19,066.24-7,528.49

Finding the Fourth Proportional to 13,816.11, 19,066.24 and 7,528.49

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Solution

The fourth proportional to 13,816.11, 19,066.24 and 7,528.49 is: 10,389.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.11 : 19,066.24 = 7,528.49 : x
  2. Step 2: Convert to fraction form
    13,816.11/19,066.24 = 7,528.49/x
  3. Step 3: Cross multiply
    13,816.11x = 19,066.24 × 7,528.49
  4. Step 4: Simplify right side
    13,816.11x = 143,539,864.20
  5. Step 5: Solve for x
    x = 143,539,864.20/13,816.11
  6. Step 6: Final answer
    x = 10,389.31

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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.