Home / 13,816.13-19,066.25-7,528.50

Finding the Fourth Proportional to 13,816.13, 19,066.25 and 7,528.50

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Solution

The fourth proportional to 13,816.13, 19,066.25 and 7,528.50 is: 10,389.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.13 : 19,066.25 = 7,528.50 : x
  2. Step 2: Convert to fraction form
    13,816.13/19,066.25 = 7,528.50/x
  3. Step 3: Cross multiply
    13,816.13x = 19,066.25 × 7,528.50
  4. Step 4: Simplify right side
    13,816.13x = 143,540,281.95
  5. Step 5: Solve for x
    x = 143,540,281.95/13,816.13
  6. Step 6: Final answer
    x = 10,389.33

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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.