Home / 13,816.26-19,066.58-7,528.63

Finding the Fourth Proportional to 13,816.26, 19,066.58 and 7,528.63

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Solution

The fourth proportional to 13,816.26, 19,066.58 and 7,528.63 is: 10,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.26 : 19,066.58 = 7,528.63 : x
  2. Step 2: Convert to fraction form
    13,816.26/19,066.58 = 7,528.63/x
  3. Step 3: Cross multiply
    13,816.26x = 19,066.58 × 7,528.63
  4. Step 4: Simplify right side
    13,816.26x = 143,545,226.19
  5. Step 5: Solve for x
    x = 143,545,226.19/13,816.26
  6. Step 6: Final answer
    x = 10,389.59

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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.