Home / 13,816.55-19,066.84-7,528.92

Finding the Fourth Proportional to 13,816.55, 19,066.84 and 7,528.92

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Solution

The fourth proportional to 13,816.55, 19,066.84 and 7,528.92 is: 10,389.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.55 : 19,066.84 = 7,528.92 : x
  2. Step 2: Convert to fraction form
    13,816.55/19,066.84 = 7,528.92/x
  3. Step 3: Cross multiply
    13,816.55x = 19,066.84 × 7,528.92
  4. Step 4: Simplify right side
    13,816.55x = 143,552,713.01
  5. Step 5: Solve for x
    x = 143,552,713.01/13,816.55
  6. Step 6: Final answer
    x = 10,389.91

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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.