Home / 13,816.06-19,066.26-7,528.48

Finding the Fourth Proportional to 13,816.06, 19,066.26 and 7,528.48

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Solution

The fourth proportional to 13,816.06, 19,066.26 and 7,528.48 is: 10,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.06 : 19,066.26 = 7,528.48 : x
  2. Step 2: Convert to fraction form
    13,816.06/19,066.26 = 7,528.48/x
  3. Step 3: Cross multiply
    13,816.06x = 19,066.26 × 7,528.48
  4. Step 4: Simplify right side
    13,816.06x = 143,539,957.08
  5. Step 5: Solve for x
    x = 143,539,957.08/13,816.06
  6. Step 6: Final answer
    x = 10,389.36

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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.